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Finding the Fourth Proportional to 402,204.70, 603,307.05 and 152,854.30

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Solution

The fourth proportional to 402,204.70, 603,307.05 and 152,854.30 is: 229,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,204.70 : 603,307.05 = 152,854.30 : x
  2. Step 2: Convert to fraction form
    402,204.70/603,307.05 = 152,854.30/x
  3. Step 3: Cross multiply
    402,204.70x = 603,307.05 × 152,854.30
  4. Step 4: Simplify right side
    402,204.70x = 92,218,076,812.82
  5. Step 5: Solve for x
    x = 92,218,076,812.82/402,204.70
  6. Step 6: Final answer
    x = 229,281.45

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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.