Finding the Fourth Proportional to 660,240.99, 990,178.56 and 233,720.63
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Solution
The fourth proportional to 660,240.99, 990,178.56 and 233,720.63 is: 350,516.19
Step by Step Solution
- Step 1: Write the proportion equation
660,240.99 : 990,178.56 = 233,720.63 : x - Step 2: Convert to fraction form
660,240.99/990,178.56 = 233,720.63/x - Step 3: Cross multiply
660,240.99x = 990,178.56 × 233,720.63 - Step 4: Simplify right side
660,240.99x = 231,425,158,801.76 - Step 5: Solve for x
x = 231,425,158,801.76/660,240.99 - Step 6: Final answer
x = 350,516.19
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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.