Home / 284,581.12-392,723.16-155,522.16

Finding the Fourth Proportional to 284,581.12, 392,723.16 and 155,522.16

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Solution

The fourth proportional to 284,581.12, 392,723.16 and 155,522.16 is: 214,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,581.12 : 392,723.16 = 155,522.16 : x
  2. Step 2: Convert to fraction form
    284,581.12/392,723.16 = 155,522.16/x
  3. Step 3: Cross multiply
    284,581.12x = 392,723.16 × 155,522.16
  4. Step 4: Simplify right side
    284,581.12x = 61,077,154,125.23
  5. Step 5: Solve for x
    x = 61,077,154,125.23/284,581.12
  6. Step 6: Final answer
    x = 214,621.24

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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.