Home / 646,030.08-968,971.30-172,752.35

Finding the Fourth Proportional to 646,030.08, 968,971.30 and 172,752.35

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Solution

The fourth proportional to 646,030.08, 968,971.30 and 172,752.35 is: 259,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,030.08 : 968,971.30 = 172,752.35 : x
  2. Step 2: Convert to fraction form
    646,030.08/968,971.30 = 172,752.35/x
  3. Step 3: Cross multiply
    646,030.08x = 968,971.30 × 172,752.35
  4. Step 4: Simplify right side
    646,030.08x = 167,392,069,157.56
  5. Step 5: Solve for x
    x = 167,392,069,157.56/646,030.08
  6. Step 6: Final answer
    x = 259,108.79

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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.