Home / 487,088.42-672,153.05-269,284.05

Finding the Fourth Proportional to 487,088.42, 672,153.05 and 269,284.05

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Solution

The fourth proportional to 487,088.42, 672,153.05 and 269,284.05 is: 371,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,088.42 : 672,153.05 = 269,284.05 : x
  2. Step 2: Convert to fraction form
    487,088.42/672,153.05 = 269,284.05/x
  3. Step 3: Cross multiply
    487,088.42x = 672,153.05 × 269,284.05
  4. Step 4: Simplify right side
    487,088.42x = 181,000,096,197.06
  5. Step 5: Solve for x
    x = 181,000,096,197.06/487,088.42
  6. Step 6: Final answer
    x = 371,595.98

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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.