Finding the Fourth Proportional to 659,521.84, 989,361.96 and 232,970.08
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Solution
The fourth proportional to 659,521.84, 989,361.96 and 232,970.08 is: 349,483.10
Step by Step Solution
- Step 1: Write the proportion equation
659,521.84 : 989,361.96 = 232,970.08 : x - Step 2: Convert to fraction form
659,521.84/989,361.96 = 232,970.08/x - Step 3: Cross multiply
659,521.84x = 989,361.96 × 232,970.08 - Step 4: Simplify right side
659,521.84x = 230,491,734,970.16 - Step 5: Solve for x
x = 230,491,734,970.16/659,521.84 - Step 6: Final answer
x = 349,483.10
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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.