Home / 438,790.14-658,054.80-186,066.90

Finding the Fourth Proportional to 438,790.14, 658,054.80 and 186,066.90

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Solution

The fourth proportional to 438,790.14, 658,054.80 and 186,066.90 is: 279,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,790.14 : 658,054.80 = 186,066.90 : x
  2. Step 2: Convert to fraction form
    438,790.14/658,054.80 = 186,066.90/x
  3. Step 3: Cross multiply
    438,790.14x = 658,054.80 × 186,066.90
  4. Step 4: Simplify right side
    438,790.14x = 122,442,216,666.12
  5. Step 5: Solve for x
    x = 122,442,216,666.12/438,790.14
  6. Step 6: Final answer
    x = 279,045.05

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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.