Finding the Fourth Proportional to 659,668.80, 910,344.68 and 357,862.80
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Solution
The fourth proportional to 659,668.80, 910,344.68 and 357,862.80 is: 493,851.61
Step by Step Solution
- Step 1: Write the proportion equation
659,668.80 : 910,344.68 = 357,862.80 : x - Step 2: Convert to fraction form
659,668.80/910,344.68 = 357,862.80/x - Step 3: Cross multiply
659,668.80x = 910,344.68 × 357,862.80 - Step 4: Simplify right side
659,668.80x = 325,778,496,149.90 - Step 5: Solve for x
x = 325,778,496,149.90/659,668.80 - Step 6: Final answer
x = 493,851.61
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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.