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Finding the Fourth Proportional to 249,032.98, 343,670.97 and 135,855.64

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Solution

The fourth proportional to 249,032.98, 343,670.97 and 135,855.64 is: 187,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,032.98 : 343,670.97 = 135,855.64 : x
  2. Step 2: Convert to fraction form
    249,032.98/343,670.97 = 135,855.64/x
  3. Step 3: Cross multiply
    249,032.98x = 343,670.97 × 135,855.64
  4. Step 4: Simplify right side
    249,032.98x = 46,689,639,578.77
  5. Step 5: Solve for x
    x = 46,689,639,578.77/249,032.98
  6. Step 6: Final answer
    x = 187,483.76

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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.