Home / 540,787.48-811,200.04-185,798.90

Finding the Fourth Proportional to 540,787.48, 811,200.04 and 185,798.90

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Solution

The fourth proportional to 540,787.48, 811,200.04 and 185,798.90 is: 278,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,787.48 : 811,200.04 = 185,798.90 : x
  2. Step 2: Convert to fraction form
    540,787.48/811,200.04 = 185,798.90/x
  3. Step 3: Cross multiply
    540,787.48x = 811,200.04 × 185,798.90
  4. Step 4: Simplify right side
    540,787.48x = 150,720,075,111.96
  5. Step 5: Solve for x
    x = 150,720,075,111.96/540,787.48
  6. Step 6: Final answer
    x = 278,704.82

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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.