Finding the Fourth Proportional to 221,135.04, 304,925.19 and 149,390.49
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Solution
The fourth proportional to 221,135.04, 304,925.19 and 149,390.49 is: 205,995.95
Step by Step Solution
- Step 1: Write the proportion equation
221,135.04 : 304,925.19 = 149,390.49 : x - Step 2: Convert to fraction form
221,135.04/304,925.19 = 149,390.49/x - Step 3: Cross multiply
221,135.04x = 304,925.19 × 149,390.49 - Step 4: Simplify right side
221,135.04x = 45,552,923,547.44 - Step 5: Solve for x
x = 45,552,923,547.44/221,135.04 - Step 6: Final answer
x = 205,995.95
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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.