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Finding the Fourth Proportional to 453,054.48, 625,231.23 and 249,120.93

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Solution

The fourth proportional to 453,054.48, 625,231.23 and 249,120.93 is: 343,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,054.48 : 625,231.23 = 249,120.93 : x
  2. Step 2: Convert to fraction form
    453,054.48/625,231.23 = 249,120.93/x
  3. Step 3: Cross multiply
    453,054.48x = 625,231.23 × 249,120.93
  4. Step 4: Simplify right side
    453,054.48x = 155,758,185,482.64
  5. Step 5: Solve for x
    x = 155,758,185,482.64/453,054.48
  6. Step 6: Final answer
    x = 343,795.71

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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.