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Finding the Fourth Proportional to 295,332.60, 442,955.70 and 84,948.60

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Solution

The fourth proportional to 295,332.60, 442,955.70 and 84,948.60 is: 127,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,332.60 : 442,955.70 = 84,948.60 : x
  2. Step 2: Convert to fraction form
    295,332.60/442,955.70 = 84,948.60/x
  3. Step 3: Cross multiply
    295,332.60x = 442,955.70 × 84,948.60
  4. Step 4: Simplify right side
    295,332.60x = 37,628,466,577.02
  5. Step 5: Solve for x
    x = 37,628,466,577.02/295,332.60
  6. Step 6: Final answer
    x = 127,410.47

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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.