Home / 209,312.21-313,572.14-123,666.94

Finding the Fourth Proportional to 209,312.21, 313,572.14 and 123,666.94

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Solution

The fourth proportional to 209,312.21, 313,572.14 and 123,666.94 is: 185,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,312.21 : 313,572.14 = 123,666.94 : x
  2. Step 2: Convert to fraction form
    209,312.21/313,572.14 = 123,666.94/x
  3. Step 3: Cross multiply
    209,312.21x = 313,572.14 × 123,666.94
  4. Step 4: Simplify right side
    209,312.21x = 38,778,506,548.29
  5. Step 5: Solve for x
    x = 38,778,506,548.29/209,312.21
  6. Step 6: Final answer
    x = 185,266.34

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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.