Home / 249,313.65-344,082.38-140,421.57

Finding the Fourth Proportional to 249,313.65, 344,082.38 and 140,421.57

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Solution

The fourth proportional to 249,313.65, 344,082.38 and 140,421.57 is: 193,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,313.65 : 344,082.38 = 140,421.57 : x
  2. Step 2: Convert to fraction form
    249,313.65/344,082.38 = 140,421.57/x
  3. Step 3: Cross multiply
    249,313.65x = 344,082.38 × 140,421.57
  4. Step 4: Simplify right side
    249,313.65x = 48,316,587,306.83
  5. Step 5: Solve for x
    x = 48,316,587,306.83/249,313.65
  6. Step 6: Final answer
    x = 193,798.40

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1.5x scale

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.