Finding the Fourth Proportional to 432,329.18, 648,486.09 and 136,833.50
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Solution
The fourth proportional to 432,329.18, 648,486.09 and 136,833.50 is: 205,247.82
Step by Step Solution
- Step 1: Write the proportion equation
432,329.18 : 648,486.09 = 136,833.50 : x - Step 2: Convert to fraction form
432,329.18/648,486.09 = 136,833.50/x - Step 3: Cross multiply
432,329.18x = 648,486.09 × 136,833.50 - Step 4: Simplify right side
432,329.18x = 88,734,621,396.02 - Step 5: Solve for x
x = 88,734,621,396.02/432,329.18 - Step 6: Final answer
x = 205,247.82
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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.