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Finding the Fourth Proportional to 302,412.42, 453,667.32 and 102,711.78

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Solution

The fourth proportional to 302,412.42, 453,667.32 and 102,711.78 is: 154,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,412.42 : 453,667.32 = 102,711.78 : x
  2. Step 2: Convert to fraction form
    302,412.42/453,667.32 = 102,711.78/x
  3. Step 3: Cross multiply
    302,412.42x = 453,667.32 × 102,711.78
  4. Step 4: Simplify right side
    302,412.42x = 46,596,977,965.03
  5. Step 5: Solve for x
    x = 46,596,977,965.03/302,412.42
  6. Step 6: Final answer
    x = 154,084.21

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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.