Finding the Fourth Proportional to 761,153.40, 1,141,726.74 and 192,539.80
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Solution
The fourth proportional to 761,153.40, 1,141,726.74 and 192,539.80 is: 288,808.85
Step by Step Solution
- Step 1: Write the proportion equation
761,153.40 : 1,141,726.74 = 192,539.80 : x - Step 2: Convert to fraction form
761,153.40/1,141,726.74 = 192,539.80/x - Step 3: Cross multiply
761,153.40x = 1,141,726.74 × 192,539.80 - Step 4: Simplify right side
761,153.40x = 219,827,838,174.25 - Step 5: Solve for x
x = 219,827,838,174.25/761,153.40 - Step 6: Final answer
x = 288,808.85
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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.