Finding the Fourth Proportional to 500,531.78, 750,855.99 and 163,597.70
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Solution
The fourth proportional to 500,531.78, 750,855.99 and 163,597.70 is: 245,415.61
Step by Step Solution
- Step 1: Write the proportion equation
500,531.78 : 750,855.99 = 163,597.70 : x - Step 2: Convert to fraction form
500,531.78/750,855.99 = 163,597.70/x - Step 3: Cross multiply
500,531.78x = 750,855.99 × 163,597.70 - Step 4: Simplify right side
500,531.78x = 122,838,312,995.22 - Step 5: Solve for x
x = 122,838,312,995.22/500,531.78 - Step 6: Final answer
x = 245,415.61
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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.