Finding the Fourth Proportional to 671,159.70, 1,006,739.55 and 227,927.70
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Solution
The fourth proportional to 671,159.70, 1,006,739.55 and 227,927.70 is: 341,891.55
Step by Step Solution
- Step 1: Write the proportion equation
671,159.70 : 1,006,739.55 = 227,927.70 : x - Step 2: Convert to fraction form
671,159.70/1,006,739.55 = 227,927.70/x - Step 3: Cross multiply
671,159.70x = 1,006,739.55 × 227,927.70 - Step 4: Simplify right side
671,159.70x = 229,463,830,130.54 - Step 5: Solve for x
x = 229,463,830,130.54/671,159.70 - Step 6: Final answer
x = 341,891.55
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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.