Finding the Fourth Proportional to 402,701.14, 555,738.10 and 218,952.08
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Solution
The fourth proportional to 402,701.14, 555,738.10 and 218,952.08 is: 302,159.59
Step by Step Solution
- Step 1: Write the proportion equation
402,701.14 : 555,738.10 = 218,952.08 : x - Step 2: Convert to fraction form
402,701.14/555,738.10 = 218,952.08/x - Step 3: Cross multiply
402,701.14x = 555,738.10 × 218,952.08 - Step 4: Simplify right side
402,701.14x = 121,680,012,930.25 - Step 5: Solve for x
x = 121,680,012,930.25/402,701.14 - Step 6: Final answer
x = 302,159.59
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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.