Finding the Fourth Proportional to 346,603.24, 478,306.38 and 193,631.50
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Solution
The fourth proportional to 346,603.24, 478,306.38 and 193,631.50 is: 267,208.07
Step by Step Solution
- Step 1: Write the proportion equation
346,603.24 : 478,306.38 = 193,631.50 : x - Step 2: Convert to fraction form
346,603.24/478,306.38 = 193,631.50/x - Step 3: Cross multiply
346,603.24x = 478,306.38 × 193,631.50 - Step 4: Simplify right side
346,603.24x = 92,615,181,818.97 - Step 5: Solve for x
x = 92,615,181,818.97/346,603.24 - Step 6: Final answer
x = 267,208.07
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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.