Home / 258,772.40-357,080.52-145,592.72

Finding the Fourth Proportional to 258,772.40, 357,080.52 and 145,592.72

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Solution

The fourth proportional to 258,772.40, 357,080.52 and 145,592.72 is: 200,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,772.40 : 357,080.52 = 145,592.72 : x
  2. Step 2: Convert to fraction form
    258,772.40/357,080.52 = 145,592.72/x
  3. Step 3: Cross multiply
    258,772.40x = 357,080.52 × 145,592.72
  4. Step 4: Simplify right side
    258,772.40x = 51,988,324,165.81
  5. Step 5: Solve for x
    x = 51,988,324,165.81/258,772.40
  6. Step 6: Final answer
    x = 200,903.67

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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.