Home / 249,051.40-343,647.88-140,140.56

Finding the Fourth Proportional to 249,051.40, 343,647.88 and 140,140.56

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Solution

The fourth proportional to 249,051.40, 343,647.88 and 140,140.56 is: 193,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,051.40 : 343,647.88 = 140,140.56 : x
  2. Step 2: Convert to fraction form
    249,051.40/343,647.88 = 140,140.56/x
  3. Step 3: Cross multiply
    249,051.40x = 343,647.88 × 140,140.56
  4. Step 4: Simplify right side
    249,051.40x = 48,159,006,346.01
  5. Step 5: Solve for x
    x = 48,159,006,346.01/249,051.40
  6. Step 6: Final answer
    x = 193,369.75

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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.