Finding the Fourth Proportional to 577,356.93, 866,083.84 and 212,717.81
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Solution
The fourth proportional to 577,356.93, 866,083.84 and 212,717.81 is: 319,094.57
Step by Step Solution
- Step 1: Write the proportion equation
577,356.93 : 866,083.84 = 212,717.81 : x - Step 2: Convert to fraction form
577,356.93/866,083.84 = 212,717.81/x - Step 3: Cross multiply
577,356.93x = 866,083.84 × 212,717.81 - Step 4: Simplify right side
577,356.93x = 184,231,460,551.14 - Step 5: Solve for x
x = 184,231,460,551.14/577,356.93 - Step 6: Final answer
x = 319,094.57
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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.