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Finding the Fourth Proportional to 304,681.96, 420,460.84 and 168,715.90

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Solution

The fourth proportional to 304,681.96, 420,460.84 and 168,715.90 is: 232,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,681.96 : 420,460.84 = 168,715.90 : x
  2. Step 2: Convert to fraction form
    304,681.96/420,460.84 = 168,715.90/x
  3. Step 3: Cross multiply
    304,681.96x = 420,460.84 × 168,715.90
  4. Step 4: Simplify right side
    304,681.96x = 70,938,429,035.36
  5. Step 5: Solve for x
    x = 70,938,429,035.36/304,681.96
  6. Step 6: Final answer
    x = 232,827.80

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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.