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Finding the Fourth Proportional to 425,196.07, 586,751.13 and 243,896.59

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Solution

The fourth proportional to 425,196.07, 586,751.13 and 243,896.59 is: 336,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,196.07 : 586,751.13 = 243,896.59 : x
  2. Step 2: Convert to fraction form
    425,196.07/586,751.13 = 243,896.59/x
  3. Step 3: Cross multiply
    425,196.07x = 586,751.13 × 243,896.59
  4. Step 4: Simplify right side
    425,196.07x = 143,106,599,785.65
  5. Step 5: Solve for x
    x = 143,106,599,785.65/425,196.07
  6. Step 6: Final answer
    x = 336,566.14

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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.