Home / 538,656.08-808,017.24-223,137.68

Finding the Fourth Proportional to 538,656.08, 808,017.24 and 223,137.68

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Solution

The fourth proportional to 538,656.08, 808,017.24 and 223,137.68 is: 334,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,656.08 : 808,017.24 = 223,137.68 : x
  2. Step 2: Convert to fraction form
    538,656.08/808,017.24 = 223,137.68/x
  3. Step 3: Cross multiply
    538,656.08x = 808,017.24 × 223,137.68
  4. Step 4: Simplify right side
    538,656.08x = 180,299,092,333.60
  5. Step 5: Solve for x
    x = 180,299,092,333.60/538,656.08
  6. Step 6: Final answer
    x = 334,720.24

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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.