Finding the Fourth Proportional to 403,750.40, 606,281.70 and 292,213.40
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Solution
The fourth proportional to 403,750.40, 606,281.70 and 292,213.40 is: 438,794.95
Step by Step Solution
- Step 1: Write the proportion equation
403,750.40 : 606,281.70 = 292,213.40 : x - Step 2: Convert to fraction form
403,750.40/606,281.70 = 292,213.40/x - Step 3: Cross multiply
403,750.40x = 606,281.70 × 292,213.40 - Step 4: Simplify right side
403,750.40x = 177,163,636,914.78 - Step 5: Solve for x
x = 177,163,636,914.78/403,750.40 - Step 6: Final answer
x = 438,794.95
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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.