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Finding the Fourth Proportional to 284,210.70, 426,510.45 and 157,850.70

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Solution

The fourth proportional to 284,210.70, 426,510.45 and 157,850.70 is: 236,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,210.70 : 426,510.45 = 157,850.70 : x
  2. Step 2: Convert to fraction form
    284,210.70/426,510.45 = 157,850.70/x
  3. Step 3: Cross multiply
    284,210.70x = 426,510.45 × 157,850.70
  4. Step 4: Simplify right side
    284,210.70x = 67,324,973,089.82
  5. Step 5: Solve for x
    x = 67,324,973,089.82/284,210.70
  6. Step 6: Final answer
    x = 236,884.02

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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.