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Finding the Fourth Proportional to 249,854.76, 344,808.10 and 142,440.68

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Solution

The fourth proportional to 249,854.76, 344,808.10 and 142,440.68 is: 196,573.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,854.76 : 344,808.10 = 142,440.68 : x
  2. Step 2: Convert to fraction form
    249,854.76/344,808.10 = 142,440.68/x
  3. Step 3: Cross multiply
    249,854.76x = 344,808.10 × 142,440.68
  4. Step 4: Simplify right side
    249,854.76x = 49,114,700,233.51
  5. Step 5: Solve for x
    x = 49,114,700,233.51/249,854.76
  6. Step 6: Final answer
    x = 196,573.00

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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.