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Finding the Fourth Proportional to 336,643.75, 464,578.10 and 185,750.47

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Solution

The fourth proportional to 336,643.75, 464,578.10 and 185,750.47 is: 256,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,643.75 : 464,578.10 = 185,750.47 : x
  2. Step 2: Convert to fraction form
    336,643.75/464,578.10 = 185,750.47/x
  3. Step 3: Cross multiply
    336,643.75x = 464,578.10 × 185,750.47
  4. Step 4: Simplify right side
    336,643.75x = 86,295,600,426.71
  5. Step 5: Solve for x
    x = 86,295,600,426.71/336,643.75
  6. Step 6: Final answer
    x = 256,341.01

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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.