Home / 420,540.13-630,588.53-183,606.01

Finding the Fourth Proportional to 420,540.13, 630,588.53 and 183,606.01

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Solution

The fourth proportional to 420,540.13, 630,588.53 and 183,606.01 is: 275,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,540.13 : 630,588.53 = 183,606.01 : x
  2. Step 2: Convert to fraction form
    420,540.13/630,588.53 = 183,606.01/x
  3. Step 3: Cross multiply
    420,540.13x = 630,588.53 × 183,606.01
  4. Step 4: Simplify right side
    420,540.13x = 115,779,845,341.89
  5. Step 5: Solve for x
    x = 115,779,845,341.89/420,540.13
  6. Step 6: Final answer
    x = 275,312.24

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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.