Home / 207,418.44-286,152.30-153,835.32

Finding the Fourth Proportional to 207,418.44, 286,152.30 and 153,835.32

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Solution

The fourth proportional to 207,418.44, 286,152.30 and 153,835.32 is: 212,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,418.44 : 286,152.30 = 153,835.32 : x
  2. Step 2: Convert to fraction form
    207,418.44/286,152.30 = 153,835.32/x
  3. Step 3: Cross multiply
    207,418.44x = 286,152.30 × 153,835.32
  4. Step 4: Simplify right side
    207,418.44x = 44,020,330,639.24
  5. Step 5: Solve for x
    x = 44,020,330,639.24/207,418.44
  6. Step 6: Final answer
    x = 212,229.59

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1.5x scale

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.