Finding the Fourth Proportional to 277,277.19, 382,643.68 and 149,952.79
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Solution
The fourth proportional to 277,277.19, 382,643.68 and 149,952.79 is: 206,935.48
Step by Step Solution
- Step 1: Write the proportion equation
277,277.19 : 382,643.68 = 149,952.79 : x - Step 2: Convert to fraction form
277,277.19/382,643.68 = 149,952.79/x - Step 3: Cross multiply
277,277.19x = 382,643.68 × 149,952.79 - Step 4: Simplify right side
277,277.19x = 57,378,487,391.87 - Step 5: Solve for x
x = 57,378,487,391.87/277,277.19 - Step 6: Final answer
x = 206,935.48
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1.5x scale
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.