Home / 354,379.60-531,569.40-117,746.20

Finding the Fourth Proportional to 354,379.60, 531,569.40 and 117,746.20

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Solution

The fourth proportional to 354,379.60, 531,569.40 and 117,746.20 is: 176,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,379.60 : 531,569.40 = 117,746.20 : x
  2. Step 2: Convert to fraction form
    354,379.60/531,569.40 = 117,746.20/x
  3. Step 3: Cross multiply
    354,379.60x = 531,569.40 × 117,746.20
  4. Step 4: Simplify right side
    354,379.60x = 62,590,276,886.28
  5. Step 5: Solve for x
    x = 62,590,276,886.28/354,379.60
  6. Step 6: Final answer
    x = 176,619.30

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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.