Finding the Fourth Proportional to 102,294.63, 153,420.99 and 64,326.49
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Solution
The fourth proportional to 102,294.63, 153,420.99 and 64,326.49 is: 96,476.55
Step by Step Solution
- Step 1: Write the proportion equation
102,294.63 : 153,420.99 = 64,326.49 : x - Step 2: Convert to fraction form
102,294.63/153,420.99 = 64,326.49/x - Step 3: Cross multiply
102,294.63x = 153,420.99 × 64,326.49 - Step 4: Simplify right side
102,294.63x = 9,869,033,154.25 - Step 5: Solve for x
x = 9,869,033,154.25/102,294.63 - Step 6: Final answer
x = 96,476.55
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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.