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Finding the Fourth Proportional to 254,643.08, 380,095.45 and 235,877

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Solution

The fourth proportional to 254,643.08, 380,095.45 and 235,877 is: 352,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,643.08 : 380,095.45 = 235,877 : x
  2. Step 2: Convert to fraction form
    254,643.08/380,095.45 = 235,877/x
  3. Step 3: Cross multiply
    254,643.08x = 380,095.45 × 235,877
  4. Step 4: Simplify right side
    254,643.08x = 89,655,774,459.65
  5. Step 5: Solve for x
    x = 89,655,774,459.65/254,643.08
  6. Step 6: Final answer
    x = 352,084.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.