Home / 307,260.38-423,985.10-171,284.06

Finding the Fourth Proportional to 307,260.38, 423,985.10 and 171,284.06

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Solution

The fourth proportional to 307,260.38, 423,985.10 and 171,284.06 is: 236,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,260.38 : 423,985.10 = 171,284.06 : x
  2. Step 2: Convert to fraction form
    307,260.38/423,985.10 = 171,284.06/x
  3. Step 3: Cross multiply
    307,260.38x = 423,985.10 × 171,284.06
  4. Step 4: Simplify right side
    307,260.38x = 72,621,889,307.51
  5. Step 5: Solve for x
    x = 72,621,889,307.51/307,260.38
  6. Step 6: Final answer
    x = 236,352.92

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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.