Home / 224,430.93-309,434.54-143,725.77

Finding the Fourth Proportional to 224,430.93, 309,434.54 and 143,725.77

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Solution

The fourth proportional to 224,430.93, 309,434.54 and 143,725.77 is: 198,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,430.93 : 309,434.54 = 143,725.77 : x
  2. Step 2: Convert to fraction form
    224,430.93/309,434.54 = 143,725.77/x
  3. Step 3: Cross multiply
    224,430.93x = 309,434.54 × 143,725.77
  4. Step 4: Simplify right side
    224,430.93x = 44,473,717,526.10
  5. Step 5: Solve for x
    x = 44,473,717,526.10/224,430.93
  6. Step 6: Final answer
    x = 198,162.16

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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.