Home / 330,457.81-456,030.66-187,245.16

Finding the Fourth Proportional to 330,457.81, 456,030.66 and 187,245.16

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Solution

The fourth proportional to 330,457.81, 456,030.66 and 187,245.16 is: 258,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,457.81 : 456,030.66 = 187,245.16 : x
  2. Step 2: Convert to fraction form
    330,457.81/456,030.66 = 187,245.16/x
  3. Step 3: Cross multiply
    330,457.81x = 456,030.66 × 187,245.16
  4. Step 4: Simplify right side
    330,457.81x = 85,389,533,896.61
  5. Step 5: Solve for x
    x = 85,389,533,896.61/330,457.81
  6. Step 6: Final answer
    x = 258,397.69

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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.