Home / 249,599.70-374,547.78-91,938.78

Finding the Fourth Proportional to 249,599.70, 374,547.78 and 91,938.78

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Solution

The fourth proportional to 249,599.70, 374,547.78 and 91,938.78 is: 137,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,599.70 : 374,547.78 = 91,938.78 : x
  2. Step 2: Convert to fraction form
    249,599.70/374,547.78 = 91,938.78/x
  3. Step 3: Cross multiply
    249,599.70x = 374,547.78 × 91,938.78
  4. Step 4: Simplify right side
    249,599.70x = 34,435,465,944.91
  5. Step 5: Solve for x
    x = 34,435,465,944.91/249,599.70
  6. Step 6: Final answer
    x = 137,962.77

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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.