Home / 430,849.87-645,825.55-241,031.93

Finding the Fourth Proportional to 430,849.87, 645,825.55 and 241,031.93

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Solution

The fourth proportional to 430,849.87, 645,825.55 and 241,031.93 is: 361,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,849.87 : 645,825.55 = 241,031.93 : x
  2. Step 2: Convert to fraction form
    430,849.87/645,825.55 = 241,031.93/x
  3. Step 3: Cross multiply
    430,849.87x = 645,825.55 × 241,031.93
  4. Step 4: Simplify right side
    430,849.87x = 155,664,578,759.81
  5. Step 5: Solve for x
    x = 155,664,578,759.81/430,849.87
  6. Step 6: Final answer
    x = 361,296.57

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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.