Home / 311,724.02-430,179.04-168,484.06

Finding the Fourth Proportional to 311,724.02, 430,179.04 and 168,484.06

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Solution

The fourth proportional to 311,724.02, 430,179.04 and 168,484.06 is: 232,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,724.02 : 430,179.04 = 168,484.06 : x
  2. Step 2: Convert to fraction form
    311,724.02/430,179.04 = 168,484.06/x
  3. Step 3: Cross multiply
    311,724.02x = 430,179.04 × 168,484.06
  4. Step 4: Simplify right side
    311,724.02x = 72,478,311,186.10
  5. Step 5: Solve for x
    x = 72,478,311,186.10/311,724.02
  6. Step 6: Final answer
    x = 232,507.94

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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.