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Finding the Fourth Proportional to 438,045.50, 604,502.79 and 236,841.50

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Solution

The fourth proportional to 438,045.50, 604,502.79 and 236,841.50 is: 326,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,045.50 : 604,502.79 = 236,841.50 : x
  2. Step 2: Convert to fraction form
    438,045.50/604,502.79 = 236,841.50/x
  3. Step 3: Cross multiply
    438,045.50x = 604,502.79 × 236,841.50
  4. Step 4: Simplify right side
    438,045.50x = 143,171,347,537.79
  5. Step 5: Solve for x
    x = 143,171,347,537.79/438,045.50
  6. Step 6: Final answer
    x = 326,841.27

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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.