Home / 841,281.52-1,262,103.72-242,238.64

Finding the Fourth Proportional to 841,281.52, 1,262,103.72 and 242,238.64

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Solution

The fourth proportional to 841,281.52, 1,262,103.72 and 242,238.64 is: 363,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,281.52 : 1,262,103.72 = 242,238.64 : x
  2. Step 2: Convert to fraction form
    841,281.52/1,262,103.72 = 242,238.64/x
  3. Step 3: Cross multiply
    841,281.52x = 1,262,103.72 × 242,238.64
  4. Step 4: Simplify right side
    841,281.52x = 305,730,288,671.74
  5. Step 5: Solve for x
    x = 305,730,288,671.74/841,281.52
  6. Step 6: Final answer
    x = 363,410.20

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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.