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Finding the Fourth Proportional to 288,043.70, 432,065.55 and 182,938.10

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Solution

The fourth proportional to 288,043.70, 432,065.55 and 182,938.10 is: 274,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,043.70 : 432,065.55 = 182,938.10 : x
  2. Step 2: Convert to fraction form
    288,043.70/432,065.55 = 182,938.10/x
  3. Step 3: Cross multiply
    288,043.70x = 432,065.55 × 182,938.10
  4. Step 4: Simplify right side
    288,043.70x = 79,041,250,792.46
  5. Step 5: Solve for x
    x = 79,041,250,792.46/288,043.70
  6. Step 6: Final answer
    x = 274,407.15

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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.