Home / 249,291.90-344,187.36-153,938.70

Finding the Fourth Proportional to 249,291.90, 344,187.36 and 153,938.70

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Solution

The fourth proportional to 249,291.90, 344,187.36 and 153,938.70 is: 212,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,291.90 : 344,187.36 = 153,938.70 : x
  2. Step 2: Convert to fraction form
    249,291.90/344,187.36 = 153,938.70/x
  3. Step 3: Cross multiply
    249,291.90x = 344,187.36 × 153,938.70
  4. Step 4: Simplify right side
    249,291.90x = 52,983,754,754.83
  5. Step 5: Solve for x
    x = 52,983,754,754.83/249,291.90
  6. Step 6: Final answer
    x = 212,537.01

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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.