Home / 315,260.02-435,047.16-172,017.10

Finding the Fourth Proportional to 315,260.02, 435,047.16 and 172,017.10

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Solution

The fourth proportional to 315,260.02, 435,047.16 and 172,017.10 is: 237,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,260.02 : 435,047.16 = 172,017.10 : x
  2. Step 2: Convert to fraction form
    315,260.02/435,047.16 = 172,017.10/x
  3. Step 3: Cross multiply
    315,260.02x = 435,047.16 × 172,017.10
  4. Step 4: Simplify right side
    315,260.02x = 74,835,550,826.44
  5. Step 5: Solve for x
    x = 74,835,550,826.44/315,260.02
  6. Step 6: Final answer
    x = 237,377.23

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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.