Home / 205,364.60-307,442.10-153,006.20

Finding the Fourth Proportional to 205,364.60, 307,442.10 and 153,006.20

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Solution

The fourth proportional to 205,364.60, 307,442.10 and 153,006.20 is: 229,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,364.60 : 307,442.10 = 153,006.20 : x
  2. Step 2: Convert to fraction form
    205,364.60/307,442.10 = 153,006.20/x
  3. Step 3: Cross multiply
    205,364.60x = 307,442.10 × 153,006.20
  4. Step 4: Simplify right side
    205,364.60x = 47,040,547,441.02
  5. Step 5: Solve for x
    x = 47,040,547,441.02/205,364.60
  6. Step 6: Final answer
    x = 229,058.70

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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.