Home / 355,129.13-490,075.29-193,984.22

Finding the Fourth Proportional to 355,129.13, 490,075.29 and 193,984.22

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Solution

The fourth proportional to 355,129.13, 490,075.29 and 193,984.22 is: 267,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,129.13 : 490,075.29 = 193,984.22 : x
  2. Step 2: Convert to fraction form
    355,129.13/490,075.29 = 193,984.22/x
  3. Step 3: Cross multiply
    355,129.13x = 490,075.29 × 193,984.22
  4. Step 4: Simplify right side
    355,129.13x = 95,066,870,421.55
  5. Step 5: Solve for x
    x = 95,066,870,421.55/355,129.13
  6. Step 6: Final answer
    x = 267,696.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.