Finding the Fourth Proportional to 516,350.49, 712,566.48 and 289,995.99
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Solution
The fourth proportional to 516,350.49, 712,566.48 and 289,995.99 is: 400,196.04
Step by Step Solution
- Step 1: Write the proportion equation
516,350.49 : 712,566.48 = 289,995.99 : x - Step 2: Convert to fraction form
516,350.49/712,566.48 = 289,995.99/x - Step 3: Cross multiply
516,350.49x = 712,566.48 × 289,995.99 - Step 4: Simplify right side
516,350.49x = 206,641,421,808.42 - Step 5: Solve for x
x = 206,641,421,808.42/516,350.49 - Step 6: Final answer
x = 400,196.04
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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.