Finding the Fourth Proportional to 527,585.19, 791,370.69 and 128,224.81
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Solution
The fourth proportional to 527,585.19, 791,370.69 and 128,224.81 is: 192,335.49
Step by Step Solution
- Step 1: Write the proportion equation
527,585.19 : 791,370.69 = 128,224.81 : x - Step 2: Convert to fraction form
527,585.19/791,370.69 = 128,224.81/x - Step 3: Cross multiply
527,585.19x = 791,370.69 × 128,224.81 - Step 4: Simplify right side
527,585.19x = 101,473,356,364.82 - Step 5: Solve for x
x = 101,473,356,364.82/527,585.19 - Step 6: Final answer
x = 192,335.49
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1.5x scale
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.