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Finding the Fourth Proportional to 283,547.79, 425,321.69 and 83,852.62

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Solution

The fourth proportional to 283,547.79, 425,321.69 and 83,852.62 is: 125,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,547.79 : 425,321.69 = 83,852.62 : x
  2. Step 2: Convert to fraction form
    283,547.79/425,321.69 = 83,852.62/x
  3. Step 3: Cross multiply
    283,547.79x = 425,321.69 × 83,852.62
  4. Step 4: Simplify right side
    283,547.79x = 35,664,336,566.76
  5. Step 5: Solve for x
    x = 35,664,336,566.76/283,547.79
  6. Step 6: Final answer
    x = 125,778.93

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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.