Finding the Fourth Proportional to 306,307.80, 459,461.70 and 292,529.70
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Solution
The fourth proportional to 306,307.80, 459,461.70 and 292,529.70 is: 438,794.55
Step by Step Solution
- Step 1: Write the proportion equation
306,307.80 : 459,461.70 = 292,529.70 : x - Step 2: Convert to fraction form
306,307.80/459,461.70 = 292,529.70/x - Step 3: Cross multiply
306,307.80x = 459,461.70 × 292,529.70 - Step 4: Simplify right side
306,307.80x = 134,406,193,262.49 - Step 5: Solve for x
x = 134,406,193,262.49/306,307.80 - Step 6: Final answer
x = 438,794.55
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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.