Home / 283,271.47-390,921.02-160,771.93

Finding the Fourth Proportional to 283,271.47, 390,921.02 and 160,771.93

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Solution

The fourth proportional to 283,271.47, 390,921.02 and 160,771.93 is: 221,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,271.47 : 390,921.02 = 160,771.93 : x
  2. Step 2: Convert to fraction form
    283,271.47/390,921.02 = 160,771.93/x
  3. Step 3: Cross multiply
    283,271.47x = 390,921.02 × 160,771.93
  4. Step 4: Simplify right side
    283,271.47x = 62,849,126,862.97
  5. Step 5: Solve for x
    x = 62,849,126,862.97/283,271.47
  6. Step 6: Final answer
    x = 221,868.89

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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.