Home / 341,005.98-511,547.25-278,359.36

Finding the Fourth Proportional to 341,005.98, 511,547.25 and 278,359.36

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Solution

The fourth proportional to 341,005.98, 511,547.25 and 278,359.36 is: 417,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,005.98 : 511,547.25 = 278,359.36 : x
  2. Step 2: Convert to fraction form
    341,005.98/511,547.25 = 278,359.36/x
  3. Step 3: Cross multiply
    341,005.98x = 511,547.25 × 278,359.36
  4. Step 4: Simplify right side
    341,005.98x = 142,393,965,119.76
  5. Step 5: Solve for x
    x = 142,393,965,119.76/341,005.98
  6. Step 6: Final answer
    x = 417,570.29

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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.