Home / 385,007.28-577,029.78-185,274.05

Finding the Fourth Proportional to 385,007.28, 577,029.78 and 185,274.05

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Solution

The fourth proportional to 385,007.28, 577,029.78 and 185,274.05 is: 277,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,007.28 : 577,029.78 = 185,274.05 : x
  2. Step 2: Convert to fraction form
    385,007.28/577,029.78 = 185,274.05/x
  3. Step 3: Cross multiply
    385,007.28x = 577,029.78 × 185,274.05
  4. Step 4: Simplify right side
    385,007.28x = 106,908,641,426.06
  5. Step 5: Solve for x
    x = 106,908,641,426.06/385,007.28
  6. Step 6: Final answer
    x = 277,679.53

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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.