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Finding the Fourth Proportional to 260,574.50, 390,929.13 and 152,595.04

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Solution

The fourth proportional to 260,574.50, 390,929.13 and 152,595.04 is: 228,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,574.50 : 390,929.13 = 152,595.04 : x
  2. Step 2: Convert to fraction form
    260,574.50/390,929.13 = 152,595.04/x
  3. Step 3: Cross multiply
    260,574.50x = 390,929.13 × 152,595.04
  4. Step 4: Simplify right side
    260,574.50x = 59,653,846,229.52
  5. Step 5: Solve for x
    x = 59,653,846,229.52/260,574.50
  6. Step 6: Final answer
    x = 228,932.02

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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.