Home / 385,877.12-579,013.06-183,701.66

Finding the Fourth Proportional to 385,877.12, 579,013.06 and 183,701.66

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Solution

The fourth proportional to 385,877.12, 579,013.06 and 183,701.66 is: 275,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,877.12 : 579,013.06 = 183,701.66 : x
  2. Step 2: Convert to fraction form
    385,877.12/579,013.06 = 183,701.66/x
  3. Step 3: Cross multiply
    385,877.12x = 579,013.06 × 183,701.66
  4. Step 4: Simplify right side
    385,877.12x = 106,365,660,283.68
  5. Step 5: Solve for x
    x = 106,365,660,283.68/385,877.12
  6. Step 6: Final answer
    x = 275,646.46

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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.