Finding the Fourth Proportional to 392,646.24, 588,962.88 and 97,158.24
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Solution
The fourth proportional to 392,646.24, 588,962.88 and 97,158.24 is: 145,735.76
Step by Step Solution
- Step 1: Write the proportion equation
392,646.24 : 588,962.88 = 97,158.24 : x - Step 2: Convert to fraction form
392,646.24/588,962.88 = 97,158.24/x - Step 3: Cross multiply
392,646.24x = 588,962.88 × 97,158.24 - Step 4: Simplify right side
392,646.24x = 57,222,596,846.13 - Step 5: Solve for x
x = 57,222,596,846.13/392,646.24 - Step 6: Final answer
x = 145,735.76
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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.