Finding the Fourth Proportional to 425,904.44, 638,718.44 and 141,518.61
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Solution
The fourth proportional to 425,904.44, 638,718.44 and 141,518.61 is: 212,231.99
Step by Step Solution
- Step 1: Write the proportion equation
425,904.44 : 638,718.44 = 141,518.61 : x - Step 2: Convert to fraction form
425,904.44/638,718.44 = 141,518.61/x - Step 3: Cross multiply
425,904.44x = 638,718.44 × 141,518.61 - Step 4: Simplify right side
425,904.44x = 90,390,545,102.58 - Step 5: Solve for x
x = 90,390,545,102.58/425,904.44 - Step 6: Final answer
x = 212,231.99
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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.