Home / 389,322.02-537,277.29-225,966.30

Finding the Fourth Proportional to 389,322.02, 537,277.29 and 225,966.30

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Solution

The fourth proportional to 389,322.02, 537,277.29 and 225,966.30 is: 311,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,322.02 : 537,277.29 = 225,966.30 : x
  2. Step 2: Convert to fraction form
    389,322.02/537,277.29 = 225,966.30/x
  3. Step 3: Cross multiply
    389,322.02x = 537,277.29 × 225,966.30
  4. Step 4: Simplify right side
    389,322.02x = 121,406,561,295.33
  5. Step 5: Solve for x
    x = 121,406,561,295.33/389,322.02
  6. Step 6: Final answer
    x = 311,840.98

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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.