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Finding the Fourth Proportional to 440,242.72, 660,374.08 and 249,339.04

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Solution

The fourth proportional to 440,242.72, 660,374.08 and 249,339.04 is: 374,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,242.72 : 660,374.08 = 249,339.04 : x
  2. Step 2: Convert to fraction form
    440,242.72/660,374.08 = 249,339.04/x
  3. Step 3: Cross multiply
    440,242.72x = 660,374.08 × 249,339.04
  4. Step 4: Simplify right side
    440,242.72x = 164,657,039,148.08
  5. Step 5: Solve for x
    x = 164,657,039,148.08/440,242.72
  6. Step 6: Final answer
    x = 374,014.22

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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.