Home / 302,985.08-418,100.60-167,012

Finding the Fourth Proportional to 302,985.08, 418,100.60 and 167,012

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Solution

The fourth proportional to 302,985.08, 418,100.60 and 167,012 is: 230,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,985.08 : 418,100.60 = 167,012 : x
  2. Step 2: Convert to fraction form
    302,985.08/418,100.60 = 167,012/x
  3. Step 3: Cross multiply
    302,985.08x = 418,100.60 × 167,012
  4. Step 4: Simplify right side
    302,985.08x = 69,827,817,407.20
  5. Step 5: Solve for x
    x = 69,827,817,407.20/302,985.08
  6. Step 6: Final answer
    x = 230,466.19

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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.