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Finding the Fourth Proportional to 451,558.53, 623,145.15 and 260,567.82

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Solution

The fourth proportional to 451,558.53, 623,145.15 and 260,567.82 is: 359,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,558.53 : 623,145.15 = 260,567.82 : x
  2. Step 2: Convert to fraction form
    451,558.53/623,145.15 = 260,567.82/x
  3. Step 3: Cross multiply
    451,558.53x = 623,145.15 × 260,567.82
  4. Step 4: Simplify right side
    451,558.53x = 162,371,573,279.07
  5. Step 5: Solve for x
    x = 162,371,573,279.07/451,558.53
  6. Step 6: Final answer
    x = 359,580.35

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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.