Finding the Fourth Proportional to 516,888.75, 713,352.08 and 290,536.11
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Solution
The fourth proportional to 516,888.75, 713,352.08 and 290,536.11 is: 400,965.46
Step by Step Solution
- Step 1: Write the proportion equation
516,888.75 : 713,352.08 = 290,536.11 : x - Step 2: Convert to fraction form
516,888.75/713,352.08 = 290,536.11/x - Step 3: Cross multiply
516,888.75x = 713,352.08 × 290,536.11 - Step 4: Simplify right side
516,888.75x = 207,254,536,930.93 - Step 5: Solve for x
x = 207,254,536,930.93/516,888.75 - Step 6: Final answer
x = 400,965.46
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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.