Finding the Fourth Proportional to 432,195.19, 648,394.62 and 147,888.84
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Solution
The fourth proportional to 432,195.19, 648,394.62 and 147,888.84 is: 221,868.11
Step by Step Solution
- Step 1: Write the proportion equation
432,195.19 : 648,394.62 = 147,888.84 : x - Step 2: Convert to fraction form
432,195.19/648,394.62 = 147,888.84/x - Step 3: Cross multiply
432,195.19x = 648,394.62 × 147,888.84 - Step 4: Simplify right side
432,195.19x = 95,890,328,214.04 - Step 5: Solve for x
x = 95,890,328,214.04/432,195.19 - Step 6: Final answer
x = 221,868.11
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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.