Home / 420,534.29-630,579.77-183,600.18

Finding the Fourth Proportional to 420,534.29, 630,579.77 and 183,600.18

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Solution

The fourth proportional to 420,534.29, 630,579.77 and 183,600.18 is: 275,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,534.29 : 630,579.77 = 183,600.18 : x
  2. Step 2: Convert to fraction form
    420,534.29/630,579.77 = 183,600.18/x
  3. Step 3: Cross multiply
    420,534.29x = 630,579.77 × 183,600.18
  4. Step 4: Simplify right side
    420,534.29x = 115,774,557,273.35
  5. Step 5: Solve for x
    x = 115,774,557,273.35/420,534.29
  6. Step 6: Final answer
    x = 275,303.49

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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.