Finding the Fourth Proportional to 319,258.98, 440,580.39 and 176,024.16
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Solution
The fourth proportional to 319,258.98, 440,580.39 and 176,024.16 is: 242,914.99
Step by Step Solution
- Step 1: Write the proportion equation
319,258.98 : 440,580.39 = 176,024.16 : x - Step 2: Convert to fraction form
319,258.98/440,580.39 = 176,024.16/x - Step 3: Cross multiply
319,258.98x = 440,580.39 × 176,024.16 - Step 4: Simplify right side
319,258.98x = 77,552,793,062.22 - Step 5: Solve for x
x = 77,552,793,062.22/319,258.98 - Step 6: Final answer
x = 242,914.99
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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.