Home / 294,738.32-406,739.40-160,602.32

Finding the Fourth Proportional to 294,738.32, 406,739.40 and 160,602.32

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Solution

The fourth proportional to 294,738.32, 406,739.40 and 160,602.32 is: 221,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,738.32 : 406,739.40 = 160,602.32 : x
  2. Step 2: Convert to fraction form
    294,738.32/406,739.40 = 160,602.32/x
  3. Step 3: Cross multiply
    294,738.32x = 406,739.40 × 160,602.32
  4. Step 4: Simplify right side
    294,738.32x = 65,323,291,275.41
  5. Step 5: Solve for x
    x = 65,323,291,275.41/294,738.32
  6. Step 6: Final answer
    x = 221,631.48

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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.