Home / 249,728.65-344,559.11-142,296.37

Finding the Fourth Proportional to 249,728.65, 344,559.11 and 142,296.37

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Solution

The fourth proportional to 249,728.65, 344,559.11 and 142,296.37 is: 196,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,728.65 : 344,559.11 = 142,296.37 : x
  2. Step 2: Convert to fraction form
    249,728.65/344,559.11 = 142,296.37/x
  3. Step 3: Cross multiply
    249,728.65x = 344,559.11 × 142,296.37
  4. Step 4: Simplify right side
    249,728.65x = 49,029,510,603.43
  5. Step 5: Solve for x
    x = 49,029,510,603.43/249,728.65
  6. Step 6: Final answer
    x = 196,331.14

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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.