Home / 359,782.06-539,574.57-135,125.12

Finding the Fourth Proportional to 359,782.06, 539,574.57 and 135,125.12

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Solution

The fourth proportional to 359,782.06, 539,574.57 and 135,125.12 is: 202,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,782.06 : 539,574.57 = 135,125.12 : x
  2. Step 2: Convert to fraction form
    359,782.06/539,574.57 = 135,125.12/x
  3. Step 3: Cross multiply
    359,782.06x = 539,574.57 × 135,125.12
  4. Step 4: Simplify right side
    359,782.06x = 72,910,075,822.33
  5. Step 5: Solve for x
    x = 72,910,075,822.33/359,782.06
  6. Step 6: Final answer
    x = 202,650.67

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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.