Home / 283,225.02-390,804.80-162,344.06

Finding the Fourth Proportional to 283,225.02, 390,804.80 and 162,344.06

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Solution

The fourth proportional to 283,225.02, 390,804.80 and 162,344.06 is: 224,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,225.02 : 390,804.80 = 162,344.06 : x
  2. Step 2: Convert to fraction form
    283,225.02/390,804.80 = 162,344.06/x
  3. Step 3: Cross multiply
    283,225.02x = 390,804.80 × 162,344.06
  4. Step 4: Simplify right side
    283,225.02x = 63,444,838,064.78
  5. Step 5: Solve for x
    x = 63,444,838,064.78/283,225.02
  6. Step 6: Final answer
    x = 224,008.59

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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.