Home / 268,230.53-370,152.18-145,719.74

Finding the Fourth Proportional to 268,230.53, 370,152.18 and 145,719.74

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Solution

The fourth proportional to 268,230.53, 370,152.18 and 145,719.74 is: 201,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,230.53 : 370,152.18 = 145,719.74 : x
  2. Step 2: Convert to fraction form
    268,230.53/370,152.18 = 145,719.74/x
  3. Step 3: Cross multiply
    268,230.53x = 370,152.18 × 145,719.74
  4. Step 4: Simplify right side
    268,230.53x = 53,938,479,430.03
  5. Step 5: Solve for x
    x = 53,938,479,430.03/268,230.53
  6. Step 6: Final answer
    x = 201,090.01

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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.