Finding the Fourth Proportional to 286,569.10, 429,853.65 and 185,529.70
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Solution
The fourth proportional to 286,569.10, 429,853.65 and 185,529.70 is: 278,294.55
Step by Step Solution
- Step 1: Write the proportion equation
286,569.10 : 429,853.65 = 185,529.70 : x - Step 2: Convert to fraction form
286,569.10/429,853.65 = 185,529.70/x - Step 3: Cross multiply
286,569.10x = 429,853.65 × 185,529.70 - Step 4: Simplify right side
286,569.10x = 79,750,618,728.41 - Step 5: Solve for x
x = 79,750,618,728.41/286,569.10 - Step 6: Final answer
x = 278,294.55
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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.