Home / 283,225.02-390,804.80-162,344.07

Finding the Fourth Proportional to 283,225.02, 390,804.80 and 162,344.07

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Solution

The fourth proportional to 283,225.02, 390,804.80 and 162,344.07 is: 224,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,225.02 : 390,804.80 = 162,344.07 : x
  2. Step 2: Convert to fraction form
    283,225.02/390,804.80 = 162,344.07/x
  3. Step 3: Cross multiply
    283,225.02x = 390,804.80 × 162,344.07
  4. Step 4: Simplify right side
    283,225.02x = 63,444,840,995.82
  5. Step 5: Solve for x
    x = 63,444,840,995.82/283,225.02
  6. Step 6: Final answer
    x = 224,008.60

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1.5x scale

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.