Finding the Fourth Proportional to 638,323.29, 880,886.14 and 351,849.53
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Solution
The fourth proportional to 638,323.29, 880,886.14 and 351,849.53 is: 485,552.35
Step by Step Solution
- Step 1: Write the proportion equation
638,323.29 : 880,886.14 = 351,849.53 : x - Step 2: Convert to fraction form
638,323.29/880,886.14 = 351,849.53/x - Step 3: Cross multiply
638,323.29x = 880,886.14 × 351,849.53 - Step 4: Simplify right side
638,323.29x = 309,939,374,342.51 - Step 5: Solve for x
x = 309,939,374,342.51/638,323.29 - Step 6: Final answer
x = 485,552.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.