Finding the Fourth Proportional to 535,058.84, 738,353.07 and 305,570.81
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Solution
The fourth proportional to 535,058.84, 738,353.07 and 305,570.81 is: 421,671.65
Step by Step Solution
- Step 1: Write the proportion equation
535,058.84 : 738,353.07 = 305,570.81 : x - Step 2: Convert to fraction form
535,058.84/738,353.07 = 305,570.81/x - Step 3: Cross multiply
535,058.84x = 738,353.07 × 305,570.81 - Step 4: Simplify right side
535,058.84x = 225,619,141,974.12 - Step 5: Solve for x
x = 225,619,141,974.12/535,058.84 - Step 6: Final answer
x = 421,671.65
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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.