Home / 345,389.79-473,185.65-332,446.16

Finding the Fourth Proportional to 345,389.79, 473,185.65 and 332,446.16

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Solution

The fourth proportional to 345,389.79, 473,185.65 and 332,446.16 is: 455,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,389.79 : 473,185.65 = 332,446.16 : x
  2. Step 2: Convert to fraction form
    345,389.79/473,185.65 = 332,446.16/x
  3. Step 3: Cross multiply
    345,389.79x = 473,185.65 × 332,446.16
  4. Step 4: Simplify right side
    345,389.79x = 157,308,752,309.60
  5. Step 5: Solve for x
    x = 157,308,752,309.60/345,389.79
  6. Step 6: Final answer
    x = 455,452.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.