Home / 370,020.90-555,031.35-89,538.15

Finding the Fourth Proportional to 370,020.90, 555,031.35 and 89,538.15

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Solution

The fourth proportional to 370,020.90, 555,031.35 and 89,538.15 is: 134,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,020.90 : 555,031.35 = 89,538.15 : x
  2. Step 2: Convert to fraction form
    370,020.90/555,031.35 = 89,538.15/x
  3. Step 3: Cross multiply
    370,020.90x = 555,031.35 × 89,538.15
  4. Step 4: Simplify right side
    370,020.90x = 49,696,480,271.00
  5. Step 5: Solve for x
    x = 49,696,480,271.00/370,020.90
  6. Step 6: Final answer
    x = 134,307.23

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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.