Home / 249,331.50-344,102.37-148,729.50

Finding the Fourth Proportional to 249,331.50, 344,102.37 and 148,729.50

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Solution

The fourth proportional to 249,331.50, 344,102.37 and 148,729.50 is: 205,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,331.50 : 344,102.37 = 148,729.50 : x
  2. Step 2: Convert to fraction form
    249,331.50/344,102.37 = 148,729.50/x
  3. Step 3: Cross multiply
    249,331.50x = 344,102.37 × 148,729.50
  4. Step 4: Simplify right side
    249,331.50x = 51,178,173,438.92
  5. Step 5: Solve for x
    x = 51,178,173,438.92/249,331.50
  6. Step 6: Final answer
    x = 205,261.56

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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.