Home / 307,118.04-423,804.25-169,290.93

Finding the Fourth Proportional to 307,118.04, 423,804.25 and 169,290.93

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Solution

The fourth proportional to 307,118.04, 423,804.25 and 169,290.93 is: 233,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,118.04 : 423,804.25 = 169,290.93 : x
  2. Step 2: Convert to fraction form
    307,118.04/423,804.25 = 169,290.93/x
  3. Step 3: Cross multiply
    307,118.04x = 423,804.25 × 169,290.93
  4. Step 4: Simplify right side
    307,118.04x = 71,746,214,799.91
  5. Step 5: Solve for x
    x = 71,746,214,799.91/307,118.04
  6. Step 6: Final answer
    x = 233,611.20

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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.