Finding the Fourth Proportional to 374,053.29, 516,196.84 and 212,918.71
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Solution
The fourth proportional to 374,053.29, 516,196.84 and 212,918.71 is: 293,829.70
Step by Step Solution
- Step 1: Write the proportion equation
374,053.29 : 516,196.84 = 212,918.71 : x - Step 2: Convert to fraction form
374,053.29/516,196.84 = 212,918.71/x - Step 3: Cross multiply
374,053.29x = 516,196.84 × 212,918.71 - Step 4: Simplify right side
374,053.29x = 109,907,965,278.88 - Step 5: Solve for x
x = 109,907,965,278.88/374,053.29 - Step 6: Final answer
x = 293,829.70
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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.