Finding the Fourth Proportional to 306,839.48, 423,220.35 and 204,813.50
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Solution
The fourth proportional to 306,839.48, 423,220.35 and 204,813.50 is: 282,497.02
Step by Step Solution
- Step 1: Write the proportion equation
306,839.48 : 423,220.35 = 204,813.50 : x - Step 2: Convert to fraction form
306,839.48/423,220.35 = 204,813.50/x - Step 3: Cross multiply
306,839.48x = 423,220.35 × 204,813.50 - Step 4: Simplify right side
306,839.48x = 86,681,238,270.57 - Step 5: Solve for x
x = 86,681,238,270.57/306,839.48 - Step 6: Final answer
x = 282,497.02
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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.