Home / 292,040.10-438,254.55-134,187.30

Finding the Fourth Proportional to 292,040.10, 438,254.55 and 134,187.30

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Solution

The fourth proportional to 292,040.10, 438,254.55 and 134,187.30 is: 201,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,040.10 : 438,254.55 = 134,187.30 : x
  2. Step 2: Convert to fraction form
    292,040.10/438,254.55 = 134,187.30/x
  3. Step 3: Cross multiply
    292,040.10x = 438,254.55 × 134,187.30
  4. Step 4: Simplify right side
    292,040.10x = 58,808,194,777.22
  5. Step 5: Solve for x
    x = 58,808,194,777.22/292,040.10
  6. Step 6: Final answer
    x = 201,370.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.