Finding the Fourth Proportional to 417,702.95, 576,430.73 and 226,716.42
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Solution
The fourth proportional to 417,702.95, 576,430.73 and 226,716.42 is: 312,869.02
Step by Step Solution
- Step 1: Write the proportion equation
417,702.95 : 576,430.73 = 226,716.42 : x - Step 2: Convert to fraction form
417,702.95/576,430.73 = 226,716.42/x - Step 3: Cross multiply
417,702.95x = 576,430.73 × 226,716.42 - Step 4: Simplify right side
417,702.95x = 130,686,311,483.59 - Step 5: Solve for x
x = 130,686,311,483.59/417,702.95 - Step 6: Final answer
x = 312,869.02
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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.