Home / 242,743.99-335,130.23-215,811.98

Finding the Fourth Proportional to 242,743.99, 335,130.23 and 215,811.98

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Solution

The fourth proportional to 242,743.99, 335,130.23 and 215,811.98 is: 297,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,743.99 : 335,130.23 = 215,811.98 : x
  2. Step 2: Convert to fraction form
    242,743.99/335,130.23 = 215,811.98/x
  3. Step 3: Cross multiply
    242,743.99x = 335,130.23 × 215,811.98
  4. Step 4: Simplify right side
    242,743.99x = 72,325,118,494.16
  5. Step 5: Solve for x
    x = 72,325,118,494.16/242,743.99
  6. Step 6: Final answer
    x = 297,948.13

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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.