Finding the Fourth Proportional to 302,615.19, 453,816.70 and 89,326.20
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Solution
The fourth proportional to 302,615.19, 453,816.70 and 89,326.20 is: 133,957.99
Step by Step Solution
- Step 1: Write the proportion equation
302,615.19 : 453,816.70 = 89,326.20 : x - Step 2: Convert to fraction form
302,615.19/453,816.70 = 89,326.20/x - Step 3: Cross multiply
302,615.19x = 453,816.70 × 89,326.20 - Step 4: Simplify right side
302,615.19x = 40,537,721,307.54 - Step 5: Solve for x
x = 40,537,721,307.54/302,615.19 - Step 6: Final answer
x = 133,957.99
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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.