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Finding the Fourth Proportional to 257,079.68, 354,678.72 and 167,500.16

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Solution

The fourth proportional to 257,079.68, 354,678.72 and 167,500.16 is: 231,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,079.68 : 354,678.72 = 167,500.16 : x
  2. Step 2: Convert to fraction form
    257,079.68/354,678.72 = 167,500.16/x
  3. Step 3: Cross multiply
    257,079.68x = 354,678.72 × 167,500.16
  4. Step 4: Simplify right side
    257,079.68x = 59,408,742,348.60
  5. Step 5: Solve for x
    x = 59,408,742,348.60/257,079.68
  6. Step 6: Final answer
    x = 231,090.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.