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Finding the Fourth Proportional to 651,252.40, 976,417.80 and 251,738.80

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Solution

The fourth proportional to 651,252.40, 976,417.80 and 251,738.80 is: 377,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,252.40 : 976,417.80 = 251,738.80 : x
  2. Step 2: Convert to fraction form
    651,252.40/976,417.80 = 251,738.80/x
  3. Step 3: Cross multiply
    651,252.40x = 976,417.80 × 251,738.80
  4. Step 4: Simplify right side
    651,252.40x = 245,802,245,270.64
  5. Step 5: Solve for x
    x = 245,802,245,270.64/651,252.40
  6. Step 6: Final answer
    x = 377,430.08

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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.