Finding the Fourth Proportional to 277,088.48, 415,503.55 and 143,932.99
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Solution
The fourth proportional to 277,088.48, 415,503.55 and 143,932.99 is: 215,832.39
Step by Step Solution
- Step 1: Write the proportion equation
277,088.48 : 415,503.55 = 143,932.99 : x - Step 2: Convert to fraction form
277,088.48/415,503.55 = 143,932.99/x - Step 3: Cross multiply
277,088.48x = 415,503.55 × 143,932.99 - Step 4: Simplify right side
277,088.48x = 59,804,668,307.11 - Step 5: Solve for x
x = 59,804,668,307.11/277,088.48 - Step 6: Final answer
x = 215,832.39
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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.