Home / 270,186.23-405,279.65-70,506.45

Finding the Fourth Proportional to 270,186.23, 405,279.65 and 70,506.45

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Solution

The fourth proportional to 270,186.23, 405,279.65 and 70,506.45 is: 105,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,186.23 : 405,279.65 = 70,506.45 : x
  2. Step 2: Convert to fraction form
    270,186.23/405,279.65 = 70,506.45/x
  3. Step 3: Cross multiply
    270,186.23x = 405,279.65 × 70,506.45
  4. Step 4: Simplify right side
    270,186.23x = 28,574,829,555.01
  5. Step 5: Solve for x
    x = 28,574,829,555.01/270,186.23
  6. Step 6: Final answer
    x = 105,759.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.