Home / 487,040.02-672,117.71-272,183.67

Finding the Fourth Proportional to 487,040.02, 672,117.71 and 272,183.67

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Solution

The fourth proportional to 487,040.02, 672,117.71 and 272,183.67 is: 375,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,040.02 : 672,117.71 = 272,183.67 : x
  2. Step 2: Convert to fraction form
    487,040.02/672,117.71 = 272,183.67/x
  3. Step 3: Cross multiply
    487,040.02x = 672,117.71 × 272,183.67
  4. Step 4: Simplify right side
    487,040.02x = 182,939,464,979.80
  5. Step 5: Solve for x
    x = 182,939,464,979.80/487,040.02
  6. Step 6: Final answer
    x = 375,614.85

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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.