Finding the Fourth Proportional to 228,473.40, 342,731.70 and 62,261.40
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Solution
The fourth proportional to 228,473.40, 342,731.70 and 62,261.40 is: 93,397.99
Step by Step Solution
- Step 1: Write the proportion equation
228,473.40 : 342,731.70 = 62,261.40 : x - Step 2: Convert to fraction form
228,473.40/342,731.70 = 62,261.40/x - Step 3: Cross multiply
228,473.40x = 342,731.70 × 62,261.40 - Step 4: Simplify right side
228,473.40x = 21,338,955,466.38 - Step 5: Solve for x
x = 21,338,955,466.38/228,473.40 - Step 6: Final answer
x = 93,397.99
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1.5x scale
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.