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Finding the Fourth Proportional to 245,360.04, 368,117.82 and 87,585

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Solution

The fourth proportional to 245,360.04, 368,117.82 and 87,585 is: 131,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,360.04 : 368,117.82 = 87,585 : x
  2. Step 2: Convert to fraction form
    245,360.04/368,117.82 = 87,585/x
  3. Step 3: Cross multiply
    245,360.04x = 368,117.82 × 87,585
  4. Step 4: Simplify right side
    245,360.04x = 32,241,599,264.70
  5. Step 5: Solve for x
    x = 32,241,599,264.70/245,360.04
  6. Step 6: Final answer
    x = 131,405.26

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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.