Home / 249,390.69-374,235.07-91,635.09

Finding the Fourth Proportional to 249,390.69, 374,235.07 and 91,635.09

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Solution

The fourth proportional to 249,390.69, 374,235.07 and 91,635.09 is: 137,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,390.69 : 374,235.07 = 91,635.09 : x
  2. Step 2: Convert to fraction form
    249,390.69/374,235.07 = 91,635.09/x
  3. Step 3: Cross multiply
    249,390.69x = 374,235.07 × 91,635.09
  4. Step 4: Simplify right side
    249,390.69x = 34,293,064,320.61
  5. Step 5: Solve for x
    x = 34,293,064,320.61/249,390.69
  6. Step 6: Final answer
    x = 137,507.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.