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Finding the Fourth Proportional to 443,667.68, 612,265.92 and 242,463.68

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Solution

The fourth proportional to 443,667.68, 612,265.92 and 242,463.68 is: 334,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,667.68 : 612,265.92 = 242,463.68 : x
  2. Step 2: Convert to fraction form
    443,667.68/612,265.92 = 242,463.68/x
  3. Step 3: Cross multiply
    443,667.68x = 612,265.92 × 242,463.68
  4. Step 4: Simplify right side
    443,667.68x = 148,452,248,101.79
  5. Step 5: Solve for x
    x = 148,452,248,101.79/443,667.68
  6. Step 6: Final answer
    x = 334,602.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.