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Finding the Fourth Proportional to 480,003.60, 662,400.81 and 265,158.66

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Solution

The fourth proportional to 480,003.60, 662,400.81 and 265,158.66 is: 365,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,003.60 : 662,400.81 = 265,158.66 : x
  2. Step 2: Convert to fraction form
    480,003.60/662,400.81 = 265,158.66/x
  3. Step 3: Cross multiply
    480,003.60x = 662,400.81 × 265,158.66
  4. Step 4: Simplify right side
    480,003.60x = 175,641,311,162.52
  5. Step 5: Solve for x
    x = 175,641,311,162.52/480,003.60
  6. Step 6: Final answer
    x = 365,916.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.