Finding the Fourth Proportional to 315,965.80, 473,948.70 and 302,843.80
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Solution
The fourth proportional to 315,965.80, 473,948.70 and 302,843.80 is: 454,265.70
Step by Step Solution
- Step 1: Write the proportion equation
315,965.80 : 473,948.70 = 302,843.80 : x - Step 2: Convert to fraction form
315,965.80/473,948.70 = 302,843.80/x - Step 3: Cross multiply
315,965.80x = 473,948.70 × 302,843.80 - Step 4: Simplify right side
315,965.80x = 143,532,425,313.06 - Step 5: Solve for x
x = 143,532,425,313.06/315,965.80 - Step 6: Final answer
x = 454,265.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.