Finding the Fourth Proportional to 605,145.18, 907,716.96 and 178,686.66
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Solution
The fourth proportional to 605,145.18, 907,716.96 and 178,686.66 is: 268,029.75
Step by Step Solution
- Step 1: Write the proportion equation
605,145.18 : 907,716.96 = 178,686.66 : x - Step 2: Convert to fraction form
605,145.18/907,716.96 = 178,686.66/x - Step 3: Cross multiply
605,145.18x = 907,716.96 × 178,686.66 - Step 4: Simplify right side
605,145.18x = 162,196,911,807.75 - Step 5: Solve for x
x = 162,196,911,807.75/605,145.18 - Step 6: Final answer
x = 268,029.75
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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.