Finding the Fourth Proportional to 346,713.14, 478,428.49 and 237,910.80
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Solution
The fourth proportional to 346,713.14, 478,428.49 and 237,910.80 is: 328,292.45
Step by Step Solution
- Step 1: Write the proportion equation
346,713.14 : 478,428.49 = 237,910.80 : x - Step 2: Convert to fraction form
346,713.14/478,428.49 = 237,910.80/x - Step 3: Cross multiply
346,713.14x = 478,428.49 × 237,910.80 - Step 4: Simplify right side
346,713.14x = 113,823,306,890.19 - Step 5: Solve for x
x = 113,823,306,890.19/346,713.14 - Step 6: Final answer
x = 328,292.45
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1.5x scale
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.