Home / 402,946.04-556,084.24-221,654.68

Finding the Fourth Proportional to 402,946.04, 556,084.24 and 221,654.68

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Solution

The fourth proportional to 402,946.04, 556,084.24 and 221,654.68 is: 305,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,946.04 : 556,084.24 = 221,654.68 : x
  2. Step 2: Convert to fraction form
    402,946.04/556,084.24 = 221,654.68/x
  3. Step 3: Cross multiply
    402,946.04x = 556,084.24 × 221,654.68
  4. Step 4: Simplify right side
    402,946.04x = 123,258,672,325.90
  5. Step 5: Solve for x
    x = 123,258,672,325.90/402,946.04
  6. Step 6: Final answer
    x = 305,893.74

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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.