Finding the Fourth Proportional to 319,223.84, 440,531.88 and 175,989.02
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Solution
The fourth proportional to 319,223.84, 440,531.88 and 175,989.02 is: 242,866.49
Step by Step Solution
- Step 1: Write the proportion equation
319,223.84 : 440,531.88 = 175,989.02 : x - Step 2: Convert to fraction form
319,223.84/440,531.88 = 175,989.02/x - Step 3: Cross multiply
319,223.84x = 440,531.88 × 175,989.02 - Step 4: Simplify right side
319,223.84x = 77,528,773,839.96 - Step 5: Solve for x
x = 77,528,773,839.96/319,223.84 - Step 6: Final answer
x = 242,866.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.