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Finding the Fourth Proportional to 342,320.52, 513,330.98 and 162,457.49

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Solution

The fourth proportional to 342,320.52, 513,330.98 and 162,457.49 is: 243,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,320.52 : 513,330.98 = 162,457.49 : x
  2. Step 2: Convert to fraction form
    342,320.52/513,330.98 = 162,457.49/x
  3. Step 3: Cross multiply
    342,320.52x = 513,330.98 × 162,457.49
  4. Step 4: Simplify right side
    342,320.52x = 83,394,462,550.04
  5. Step 5: Solve for x
    x = 83,394,462,550.04/342,320.52
  6. Step 6: Final answer
    x = 243,615.14

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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.