Home / 320,346.68-441,981.42-223,547.96

Finding the Fourth Proportional to 320,346.68, 441,981.42 and 223,547.96

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Solution

The fourth proportional to 320,346.68, 441,981.42 and 223,547.96 is: 308,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,346.68 : 441,981.42 = 223,547.96 : x
  2. Step 2: Convert to fraction form
    320,346.68/441,981.42 = 223,547.96/x
  3. Step 3: Cross multiply
    320,346.68x = 441,981.42 × 223,547.96
  4. Step 4: Simplify right side
    320,346.68x = 98,804,044,798.90
  5. Step 5: Solve for x
    x = 98,804,044,798.90/320,346.68
  6. Step 6: Final answer
    x = 308,428.50

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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.