Home / 381,865.02-572,327.10-157,085.16

Finding the Fourth Proportional to 381,865.02, 572,327.10 and 157,085.16

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Solution

The fourth proportional to 381,865.02, 572,327.10 and 157,085.16 is: 235,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,865.02 : 572,327.10 = 157,085.16 : x
  2. Step 2: Convert to fraction form
    381,865.02/572,327.10 = 157,085.16/x
  3. Step 3: Cross multiply
    381,865.02x = 572,327.10 × 157,085.16
  4. Step 4: Simplify right side
    381,865.02x = 89,904,094,075.84
  5. Step 5: Solve for x
    x = 89,904,094,075.84/381,865.02
  6. Step 6: Final answer
    x = 235,434.22

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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.