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Finding the Fourth Proportional to 225,017.55, 310,533.87 and 123,036.93

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Solution

The fourth proportional to 225,017.55, 310,533.87 and 123,036.93 is: 169,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,017.55 : 310,533.87 = 123,036.93 : x
  2. Step 2: Convert to fraction form
    225,017.55/310,533.87 = 123,036.93/x
  3. Step 3: Cross multiply
    225,017.55x = 310,533.87 × 123,036.93
  4. Step 4: Simplify right side
    225,017.55x = 38,207,134,025.82
  5. Step 5: Solve for x
    x = 38,207,134,025.82/225,017.55
  6. Step 6: Final answer
    x = 169,796.24

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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.