Finding the Fourth Proportional to 319,604.19, 441,055.08 and 176,368.38
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Solution
The fourth proportional to 319,604.19, 441,055.08 and 176,368.38 is: 243,389.08
Step by Step Solution
- Step 1: Write the proportion equation
319,604.19 : 441,055.08 = 176,368.38 : x - Step 2: Convert to fraction form
319,604.19/441,055.08 = 176,368.38/x - Step 3: Cross multiply
319,604.19x = 441,055.08 × 176,368.38 - Step 4: Simplify right side
319,604.19x = 77,788,169,950.37 - Step 5: Solve for x
x = 77,788,169,950.37/319,604.19 - Step 6: Final answer
x = 243,389.08
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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.