Finding the Fourth Proportional to 493,621.18, 740,429.34 and 119,644.18
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Solution
The fourth proportional to 493,621.18, 740,429.34 and 119,644.18 is: 179,465.68
Step by Step Solution
- Step 1: Write the proportion equation
493,621.18 : 740,429.34 = 119,644.18 : x - Step 2: Convert to fraction form
493,621.18/740,429.34 = 119,644.18/x - Step 3: Cross multiply
493,621.18x = 740,429.34 × 119,644.18 - Step 4: Simplify right side
493,621.18x = 88,588,061,232.24 - Step 5: Solve for x
x = 88,588,061,232.24/493,621.18 - Step 6: Final answer
x = 179,465.68
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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.