Home / 307,161.60-423,875.20-171,196.16

Finding the Fourth Proportional to 307,161.60, 423,875.20 and 171,196.16

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Solution

The fourth proportional to 307,161.60, 423,875.20 and 171,196.16 is: 236,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,161.60 : 423,875.20 = 171,196.16 : x
  2. Step 2: Convert to fraction form
    307,161.60/423,875.20 = 171,196.16/x
  3. Step 3: Cross multiply
    307,161.60x = 423,875.20 × 171,196.16
  4. Step 4: Simplify right side
    307,161.60x = 72,565,806,559.23
  5. Step 5: Solve for x
    x = 72,565,806,559.23/307,161.60
  6. Step 6: Final answer
    x = 236,246.35

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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.