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Finding the Fourth Proportional to 218,904.84, 301,901.85 and 151,030.08

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Solution

The fourth proportional to 218,904.84, 301,901.85 and 151,030.08 is: 208,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,904.84 : 301,901.85 = 151,030.08 : x
  2. Step 2: Convert to fraction form
    218,904.84/301,901.85 = 151,030.08/x
  3. Step 3: Cross multiply
    218,904.84x = 301,901.85 × 151,030.08
  4. Step 4: Simplify right side
    218,904.84x = 45,596,260,557.65
  5. Step 5: Solve for x
    x = 45,596,260,557.65/218,904.84
  6. Step 6: Final answer
    x = 208,292.61

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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.