Home / 422,985.18-583,705.26-251,005.26

Finding the Fourth Proportional to 422,985.18, 583,705.26 and 251,005.26

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Solution

The fourth proportional to 422,985.18, 583,705.26 and 251,005.26 is: 346,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,985.18 : 583,705.26 = 251,005.26 : x
  2. Step 2: Convert to fraction form
    422,985.18/583,705.26 = 251,005.26/x
  3. Step 3: Cross multiply
    422,985.18x = 583,705.26 × 251,005.26
  4. Step 4: Simplify right side
    422,985.18x = 146,513,090,549.67
  5. Step 5: Solve for x
    x = 146,513,090,549.67/422,985.18
  6. Step 6: Final answer
    x = 346,378.78

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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.