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Finding the Fourth Proportional to 424,554.48, 585,641.88 and 265,302

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Solution

The fourth proportional to 424,554.48, 585,641.88 and 265,302 is: 365,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,554.48 : 585,641.88 = 265,302 : x
  2. Step 2: Convert to fraction form
    424,554.48/585,641.88 = 265,302/x
  3. Step 3: Cross multiply
    424,554.48x = 585,641.88 × 265,302
  4. Step 4: Simplify right side
    424,554.48x = 155,371,962,047.76
  5. Step 5: Solve for x
    x = 155,371,962,047.76/424,554.48
  6. Step 6: Final answer
    x = 365,964.72

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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.