Finding the Fourth Proportional to 401,531.84, 554,160.25 and 240,386.79
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Solution
The fourth proportional to 401,531.84, 554,160.25 and 240,386.79 is: 331,761.50
Step by Step Solution
- Step 1: Write the proportion equation
401,531.84 : 554,160.25 = 240,386.79 : x - Step 2: Convert to fraction form
401,531.84/554,160.25 = 240,386.79/x - Step 3: Cross multiply
401,531.84x = 554,160.25 × 240,386.79 - Step 4: Simplify right side
401,531.84x = 133,212,803,643.10 - Step 5: Solve for x
x = 133,212,803,643.10/401,531.84 - Step 6: Final answer
x = 331,761.50
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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.