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Finding the Fourth Proportional to 245,852.56, 368,545.56 and 87,999.76

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Solution

The fourth proportional to 245,852.56, 368,545.56 and 87,999.76 is: 131,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,852.56 : 368,545.56 = 87,999.76 : x
  2. Step 2: Convert to fraction form
    245,852.56/368,545.56 = 87,999.76/x
  3. Step 3: Cross multiply
    245,852.56x = 368,545.56 × 87,999.76
  4. Step 4: Simplify right side
    245,852.56x = 32,431,920,829.07
  5. Step 5: Solve for x
    x = 32,431,920,829.07/245,852.56
  6. Step 6: Final answer
    x = 131,916.14

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1.5x scale

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.