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Finding the Fourth Proportional to 240,606.60, 360,909.90 and 172,955.40

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Solution

The fourth proportional to 240,606.60, 360,909.90 and 172,955.40 is: 259,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,606.60 : 360,909.90 = 172,955.40 : x
  2. Step 2: Convert to fraction form
    240,606.60/360,909.90 = 172,955.40/x
  3. Step 3: Cross multiply
    240,606.60x = 360,909.90 × 172,955.40
  4. Step 4: Simplify right side
    240,606.60x = 62,421,316,118.46
  5. Step 5: Solve for x
    x = 62,421,316,118.46/240,606.60
  6. Step 6: Final answer
    x = 259,433.10

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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.