Home / 305,864.10-458,577.45-137,246.40

Finding the Fourth Proportional to 305,864.10, 458,577.45 and 137,246.40

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Solution

The fourth proportional to 305,864.10, 458,577.45 and 137,246.40 is: 205,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,864.10 : 458,577.45 = 137,246.40 : x
  2. Step 2: Convert to fraction form
    305,864.10/458,577.45 = 137,246.40/x
  3. Step 3: Cross multiply
    305,864.10x = 458,577.45 × 137,246.40
  4. Step 4: Simplify right side
    305,864.10x = 62,938,104,133.68
  5. Step 5: Solve for x
    x = 62,938,104,133.68/305,864.10
  6. Step 6: Final answer
    x = 205,771.47

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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.