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Finding the Fourth Proportional to 402,566.77, 555,665.93 and 259,326.37

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Solution

The fourth proportional to 402,566.77, 555,665.93 and 259,326.37 is: 357,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,566.77 : 555,665.93 = 259,326.37 : x
  2. Step 2: Convert to fraction form
    402,566.77/555,665.93 = 259,326.37/x
  3. Step 3: Cross multiply
    402,566.77x = 555,665.93 × 259,326.37
  4. Step 4: Simplify right side
    402,566.77x = 144,098,828,559.57
  5. Step 5: Solve for x
    x = 144,098,828,559.57/402,566.77
  6. Step 6: Final answer
    x = 357,950.13

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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.