Home / 301,121.12-415,547.10-166,985.12

Finding the Fourth Proportional to 301,121.12, 415,547.10 and 166,985.12

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Solution

The fourth proportional to 301,121.12, 415,547.10 and 166,985.12 is: 230,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,121.12 : 415,547.10 = 166,985.12 : x
  2. Step 2: Convert to fraction form
    301,121.12/415,547.10 = 166,985.12/x
  3. Step 3: Cross multiply
    301,121.12x = 415,547.10 × 166,985.12
  4. Step 4: Simplify right side
    301,121.12x = 69,390,182,359.15
  5. Step 5: Solve for x
    x = 69,390,182,359.15/301,121.12
  6. Step 6: Final answer
    x = 230,439.44

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1.5x scale

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.