Home / 342,688.12-473,159.09-275,077.01

Finding the Fourth Proportional to 342,688.12, 473,159.09 and 275,077.01

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Solution

The fourth proportional to 342,688.12, 473,159.09 and 275,077.01 is: 379,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,688.12 : 473,159.09 = 275,077.01 : x
  2. Step 2: Convert to fraction form
    342,688.12/473,159.09 = 275,077.01/x
  3. Step 3: Cross multiply
    342,688.12x = 473,159.09 × 275,077.01
  4. Step 4: Simplify right side
    342,688.12x = 130,155,186,356.14
  5. Step 5: Solve for x
    x = 130,155,186,356.14/342,688.12
  6. Step 6: Final answer
    x = 379,806.54

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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.