Finding the Fourth Proportional to 286,965.18, 429,854.85 and 168,279.12
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Solution
The fourth proportional to 286,965.18, 429,854.85 and 168,279.12 is: 252,070.99
Step by Step Solution
- Step 1: Write the proportion equation
286,965.18 : 429,854.85 = 168,279.12 : x - Step 2: Convert to fraction form
286,965.18/429,854.85 = 168,279.12/x - Step 3: Cross multiply
286,965.18x = 429,854.85 × 168,279.12 - Step 4: Simplify right side
286,965.18x = 72,335,595,885.73 - Step 5: Solve for x
x = 72,335,595,885.73/286,965.18 - Step 6: Final answer
x = 252,070.99
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1.5x scale
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.