Home / 210,175.12-315,278.20-60,409.36

Finding the Fourth Proportional to 210,175.12, 315,278.20 and 60,409.36

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Solution

The fourth proportional to 210,175.12, 315,278.20 and 60,409.36 is: 90,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,175.12 : 315,278.20 = 60,409.36 : x
  2. Step 2: Convert to fraction form
    210,175.12/315,278.20 = 60,409.36/x
  3. Step 3: Cross multiply
    210,175.12x = 315,278.20 × 60,409.36
  4. Step 4: Simplify right side
    210,175.12x = 19,045,754,283.95
  5. Step 5: Solve for x
    x = 19,045,754,283.95/210,175.12
  6. Step 6: Final answer
    x = 90,618.50

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1.5x scale

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.