Finding the Fourth Proportional to 374,315.07, 516,646.59 and 213,265.08
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Solution
The fourth proportional to 374,315.07, 516,646.59 and 213,265.08 is: 294,358.11
Step by Step Solution
- Step 1: Write the proportion equation
374,315.07 : 516,646.59 = 213,265.08 : x - Step 2: Convert to fraction form
374,315.07/516,646.59 = 213,265.08/x - Step 3: Cross multiply
374,315.07x = 516,646.59 × 213,265.08 - Step 4: Simplify right side
374,315.07x = 110,182,676,348.08 - Step 5: Solve for x
x = 110,182,676,348.08/374,315.07 - Step 6: Final answer
x = 294,358.11
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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.