Home / 256,046.90-384,088.80-98,275.35

Finding the Fourth Proportional to 256,046.90, 384,088.80 and 98,275.35

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Solution

The fourth proportional to 256,046.90, 384,088.80 and 98,275.35 is: 147,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,046.90 : 384,088.80 = 98,275.35 : x
  2. Step 2: Convert to fraction form
    256,046.90/384,088.80 = 98,275.35/x
  3. Step 3: Cross multiply
    256,046.90x = 384,088.80 × 98,275.35
  4. Step 4: Simplify right side
    256,046.90x = 37,746,461,005.39
  5. Step 5: Solve for x
    x = 37,746,461,005.39/256,046.90
  6. Step 6: Final answer
    x = 147,420.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.