Home / 426,861.16-589,060.25-235,870.45

Finding the Fourth Proportional to 426,861.16, 589,060.25 and 235,870.45

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Solution

The fourth proportional to 426,861.16, 589,060.25 and 235,870.45 is: 325,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,861.16 : 589,060.25 = 235,870.45 : x
  2. Step 2: Convert to fraction form
    426,861.16/589,060.25 = 235,870.45/x
  3. Step 3: Cross multiply
    426,861.16x = 589,060.25 × 235,870.45
  4. Step 4: Simplify right side
    426,861.16x = 138,941,904,477.12
  5. Step 5: Solve for x
    x = 138,941,904,477.12/426,861.16
  6. Step 6: Final answer
    x = 325,496.71

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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.