Home / 397,070.06-547,962.02-215,785.58

Finding the Fourth Proportional to 397,070.06, 547,962.02 and 215,785.58

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Solution

The fourth proportional to 397,070.06, 547,962.02 and 215,785.58 is: 297,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,070.06 : 547,962.02 = 215,785.58 : x
  2. Step 2: Convert to fraction form
    397,070.06/547,962.02 = 215,785.58/x
  3. Step 3: Cross multiply
    397,070.06x = 547,962.02 × 215,785.58
  4. Step 4: Simplify right side
    397,070.06x = 118,242,302,303.67
  5. Step 5: Solve for x
    x = 118,242,302,303.67/397,070.06
  6. Step 6: Final answer
    x = 297,787.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.