Home / 370,219.12-510,642.56-227,036.24

Finding the Fourth Proportional to 370,219.12, 510,642.56 and 227,036.24

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Solution

The fourth proportional to 370,219.12, 510,642.56 and 227,036.24 is: 313,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,219.12 : 510,642.56 = 227,036.24 : x
  2. Step 2: Convert to fraction form
    370,219.12/510,642.56 = 227,036.24/x
  3. Step 3: Cross multiply
    370,219.12x = 510,642.56 × 227,036.24
  4. Step 4: Simplify right side
    370,219.12x = 115,934,366,806.37
  5. Step 5: Solve for x
    x = 115,934,366,806.37/370,219.12
  6. Step 6: Final answer
    x = 313,150.67

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1.5x scale

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.