Home / 284,215.16-426,455.70-124,270.40

Finding the Fourth Proportional to 284,215.16, 426,455.70 and 124,270.40

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Solution

The fourth proportional to 284,215.16, 426,455.70 and 124,270.40 is: 186,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,215.16 : 426,455.70 = 124,270.40 : x
  2. Step 2: Convert to fraction form
    284,215.16/426,455.70 = 124,270.40/x
  3. Step 3: Cross multiply
    284,215.16x = 426,455.70 × 124,270.40
  4. Step 4: Simplify right side
    284,215.16x = 52,995,820,421.28
  5. Step 5: Solve for x
    x = 52,995,820,421.28/284,215.16
  6. Step 6: Final answer
    x = 186,463.74

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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.