Home / 372,603.12-557,187.89-276,721.40

Finding the Fourth Proportional to 372,603.12, 557,187.89 and 276,721.40

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Solution

The fourth proportional to 372,603.12, 557,187.89 and 276,721.40 is: 413,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,603.12 : 557,187.89 = 276,721.40 : x
  2. Step 2: Convert to fraction form
    372,603.12/557,187.89 = 276,721.40/x
  3. Step 3: Cross multiply
    372,603.12x = 557,187.89 × 276,721.40
  4. Step 4: Simplify right side
    372,603.12x = 154,185,808,814.30
  5. Step 5: Solve for x
    x = 154,185,808,814.30/372,603.12
  6. Step 6: Final answer
    x = 413,807.08

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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.