Finding the Fourth Proportional to 347,891.61, 521,985.95 and 148,305.99
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Solution
The fourth proportional to 347,891.61, 521,985.95 and 148,305.99 is: 222,522.31
Step by Step Solution
- Step 1: Write the proportion equation
347,891.61 : 521,985.95 = 148,305.99 : x - Step 2: Convert to fraction form
347,891.61/521,985.95 = 148,305.99/x - Step 3: Cross multiply
347,891.61x = 521,985.95 × 148,305.99 - Step 4: Simplify right side
347,891.61x = 77,413,643,080.84 - Step 5: Solve for x
x = 77,413,643,080.84/347,891.61 - Step 6: Final answer
x = 222,522.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.