Home / 402,452.31-555,054.60-249,384.18

Finding the Fourth Proportional to 402,452.31, 555,054.60 and 249,384.18

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Solution

The fourth proportional to 402,452.31, 555,054.60 and 249,384.18 is: 343,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,452.31 : 555,054.60 = 249,384.18 : x
  2. Step 2: Convert to fraction form
    402,452.31/555,054.60 = 249,384.18/x
  3. Step 3: Cross multiply
    402,452.31x = 555,054.60 × 249,384.18
  4. Step 4: Simplify right side
    402,452.31x = 138,421,836,276.23
  5. Step 5: Solve for x
    x = 138,421,836,276.23/402,452.31
  6. Step 6: Final answer
    x = 343,945.94

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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.