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Finding the Fourth Proportional to 334,925.79, 502,390.35 and 166,406.50

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Solution

The fourth proportional to 334,925.79, 502,390.35 and 166,406.50 is: 249,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,925.79 : 502,390.35 = 166,406.50 : x
  2. Step 2: Convert to fraction form
    334,925.79/502,390.35 = 166,406.50/x
  3. Step 3: Cross multiply
    334,925.79x = 502,390.35 × 166,406.50
  4. Step 4: Simplify right side
    334,925.79x = 83,601,020,405.26
  5. Step 5: Solve for x
    x = 83,601,020,405.26/334,925.79
  6. Step 6: Final answer
    x = 249,610.58

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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.