Home / 370,835.71-556,275.09-143,132.59

Finding the Fourth Proportional to 370,835.71, 556,275.09 and 143,132.59

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Solution

The fourth proportional to 370,835.71, 556,275.09 and 143,132.59 is: 214,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,835.71 : 556,275.09 = 143,132.59 : x
  2. Step 2: Convert to fraction form
    370,835.71/556,275.09 = 143,132.59/x
  3. Step 3: Cross multiply
    370,835.71x = 556,275.09 × 143,132.59
  4. Step 4: Simplify right side
    370,835.71x = 79,621,093,668.52
  5. Step 5: Solve for x
    x = 79,621,093,668.52/370,835.71
  6. Step 6: Final answer
    x = 214,707.19

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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.