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Finding the Fourth Proportional to 467,567.34, 645,241.35 and 252,706.74

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Solution

The fourth proportional to 467,567.34, 645,241.35 and 252,706.74 is: 348,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,567.34 : 645,241.35 = 252,706.74 : x
  2. Step 2: Convert to fraction form
    467,567.34/645,241.35 = 252,706.74/x
  3. Step 3: Cross multiply
    467,567.34x = 645,241.35 × 252,706.74
  4. Step 4: Simplify right side
    467,567.34x = 163,056,838,071.70
  5. Step 5: Solve for x
    x = 163,056,838,071.70/467,567.34
  6. Step 6: Final answer
    x = 348,734.45

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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.