Finding the Fourth Proportional to 425,764.74, 638,647.14 and 173,182.62
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Solution
The fourth proportional to 425,764.74, 638,647.14 and 173,182.62 is: 259,773.94
Step by Step Solution
- Step 1: Write the proportion equation
425,764.74 : 638,647.14 = 173,182.62 : x - Step 2: Convert to fraction form
425,764.74/638,647.14 = 173,182.62/x - Step 3: Cross multiply
425,764.74x = 638,647.14 × 173,182.62 - Step 4: Simplify right side
425,764.74x = 110,602,584,960.71 - Step 5: Solve for x
x = 110,602,584,960.71/425,764.74 - Step 6: Final answer
x = 259,773.94
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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.