Finding the Fourth Proportional to 374,426.51, 516,648.24 and 213,284.70
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Solution
The fourth proportional to 374,426.51, 516,648.24 and 213,284.70 is: 294,298.52
Step by Step Solution
- Step 1: Write the proportion equation
374,426.51 : 516,648.24 = 213,284.70 : x - Step 2: Convert to fraction form
374,426.51/516,648.24 = 213,284.70/x - Step 3: Cross multiply
374,426.51x = 516,648.24 × 213,284.70 - Step 4: Simplify right side
374,426.51x = 110,193,164,873.93 - Step 5: Solve for x
x = 110,193,164,873.93/374,426.51 - Step 6: Final answer
x = 294,298.52
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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.