Home / 371,415.10-557,312.65-176,888.54

Finding the Fourth Proportional to 371,415.10, 557,312.65 and 176,888.54

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Solution

The fourth proportional to 371,415.10, 557,312.65 and 176,888.54 is: 265,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,415.10 : 557,312.65 = 176,888.54 : x
  2. Step 2: Convert to fraction form
    371,415.10/557,312.65 = 176,888.54/x
  3. Step 3: Cross multiply
    371,415.10x = 557,312.65 × 176,888.54
  4. Step 4: Simplify right side
    371,415.10x = 98,582,217,753.25
  5. Step 5: Solve for x
    x = 98,582,217,753.25/371,415.10
  6. Step 6: Final answer
    x = 265,423.29

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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.