Home / 386,466.60-579,943.10-164,847.40

Finding the Fourth Proportional to 386,466.60, 579,943.10 and 164,847.40

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Solution

The fourth proportional to 386,466.60, 579,943.10 and 164,847.40 is: 247,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,466.60 : 579,943.10 = 164,847.40 : x
  2. Step 2: Convert to fraction form
    386,466.60/579,943.10 = 164,847.40/x
  3. Step 3: Cross multiply
    386,466.60x = 579,943.10 × 164,847.40
  4. Step 4: Simplify right side
    386,466.60x = 95,602,112,182.94
  5. Step 5: Solve for x
    x = 95,602,112,182.94/386,466.60
  6. Step 6: Final answer
    x = 247,374.84

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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.