Home / 249,411.84-374,151.60-80,877.20

Finding the Fourth Proportional to 249,411.84, 374,151.60 and 80,877.20

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Solution

The fourth proportional to 249,411.84, 374,151.60 and 80,877.20 is: 121,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,411.84 : 374,151.60 = 80,877.20 : x
  2. Step 2: Convert to fraction form
    249,411.84/374,151.60 = 80,877.20/x
  3. Step 3: Cross multiply
    249,411.84x = 374,151.60 × 80,877.20
  4. Step 4: Simplify right side
    249,411.84x = 30,260,333,783.52
  5. Step 5: Solve for x
    x = 30,260,333,783.52/249,411.84
  6. Step 6: Final answer
    x = 121,326.77

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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.