Home / 265,346.18-398,018.34-107,574.26

Finding the Fourth Proportional to 265,346.18, 398,018.34 and 107,574.26

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Solution

The fourth proportional to 265,346.18, 398,018.34 and 107,574.26 is: 161,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,346.18 : 398,018.34 = 107,574.26 : x
  2. Step 2: Convert to fraction form
    265,346.18/398,018.34 = 107,574.26/x
  3. Step 3: Cross multiply
    265,346.18x = 398,018.34 × 107,574.26
  4. Step 4: Simplify right side
    265,346.18x = 42,816,528,391.93
  5. Step 5: Solve for x
    x = 42,816,528,391.93/265,346.18
  6. Step 6: Final answer
    x = 161,361.01

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1.5x scale

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.