Home / 307,222.65-423,969.35-171,265.23

Finding the Fourth Proportional to 307,222.65, 423,969.35 and 171,265.23

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Solution

The fourth proportional to 307,222.65, 423,969.35 and 171,265.23 is: 236,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,222.65 : 423,969.35 = 171,265.23 : x
  2. Step 2: Convert to fraction form
    307,222.65/423,969.35 = 171,265.23/x
  3. Step 3: Cross multiply
    307,222.65x = 423,969.35 × 171,265.23
  4. Step 4: Simplify right side
    307,222.65x = 72,611,207,384.37
  5. Step 5: Solve for x
    x = 72,611,207,384.37/307,222.65
  6. Step 6: Final answer
    x = 236,347.18

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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.