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Finding the Fourth Proportional to 453,701.67, 680,500.67 and 121,303.59

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Solution

The fourth proportional to 453,701.67, 680,500.67 and 121,303.59 is: 181,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,701.67 : 680,500.67 = 121,303.59 : x
  2. Step 2: Convert to fraction form
    453,701.67/680,500.67 = 121,303.59/x
  3. Step 3: Cross multiply
    453,701.67x = 680,500.67 × 121,303.59
  4. Step 4: Simplify right side
    453,701.67x = 82,547,173,661.89
  5. Step 5: Solve for x
    x = 82,547,173,661.89/453,701.67
  6. Step 6: Final answer
    x = 181,941.52

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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.