Home / 423,486.48-584,415.55-229,895.70

Finding the Fourth Proportional to 423,486.48, 584,415.55 and 229,895.70

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Solution

The fourth proportional to 423,486.48, 584,415.55 and 229,895.70 is: 317,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,486.48 : 584,415.55 = 229,895.70 : x
  2. Step 2: Convert to fraction form
    423,486.48/584,415.55 = 229,895.70/x
  3. Step 3: Cross multiply
    423,486.48x = 584,415.55 × 229,895.70
  4. Step 4: Simplify right side
    423,486.48x = 134,354,621,958.14
  5. Step 5: Solve for x
    x = 134,354,621,958.14/423,486.48
  6. Step 6: Final answer
    x = 317,258.35

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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.