Home / 291,275.37-401,752.95-194,430.39

Finding the Fourth Proportional to 291,275.37, 401,752.95 and 194,430.39

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Solution

The fourth proportional to 291,275.37, 401,752.95 and 194,430.39 is: 268,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,275.37 : 401,752.95 = 194,430.39 : x
  2. Step 2: Convert to fraction form
    291,275.37/401,752.95 = 194,430.39/x
  3. Step 3: Cross multiply
    291,275.37x = 401,752.95 × 194,430.39
  4. Step 4: Simplify right side
    291,275.37x = 78,112,982,752.15
  5. Step 5: Solve for x
    x = 78,112,982,752.15/291,275.37
  6. Step 6: Final answer
    x = 268,175.72

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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.