Home / 423,113.16-634,533.66-223,318.56

Finding the Fourth Proportional to 423,113.16, 634,533.66 and 223,318.56

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Solution

The fourth proportional to 423,113.16, 634,533.66 and 223,318.56 is: 334,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,113.16 : 634,533.66 = 223,318.56 : x
  2. Step 2: Convert to fraction form
    423,113.16/634,533.66 = 223,318.56/x
  3. Step 3: Cross multiply
    423,113.16x = 634,533.66 × 223,318.56
  4. Step 4: Simplify right side
    423,113.16x = 141,703,143,222.73
  5. Step 5: Solve for x
    x = 141,703,143,222.73/423,113.16
  6. Step 6: Final answer
    x = 334,906.02

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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.