Finding the Fourth Proportional to 434,551.80, 651,827.70 and 268,663.80
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Solution
The fourth proportional to 434,551.80, 651,827.70 and 268,663.80 is: 402,995.70
Step by Step Solution
- Step 1: Write the proportion equation
434,551.80 : 651,827.70 = 268,663.80 : x - Step 2: Convert to fraction form
434,551.80/651,827.70 = 268,663.80/x - Step 3: Cross multiply
434,551.80x = 651,827.70 × 268,663.80 - Step 4: Simplify right side
434,551.80x = 175,122,506,827.26 - Step 5: Solve for x
x = 175,122,506,827.26/434,551.80 - Step 6: Final answer
x = 402,995.70
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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.