Finding the Fourth Proportional to 579,817.80, 869,726.70 and 248,041.80
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Solution
The fourth proportional to 579,817.80, 869,726.70 and 248,041.80 is: 372,062.70
Step by Step Solution
- Step 1: Write the proportion equation
579,817.80 : 869,726.70 = 248,041.80 : x - Step 2: Convert to fraction form
579,817.80/869,726.70 = 248,041.80/x - Step 3: Cross multiply
579,817.80x = 869,726.70 × 248,041.80 - Step 4: Simplify right side
579,817.80x = 215,728,576,176.06 - Step 5: Solve for x
x = 215,728,576,176.06/579,817.80 - Step 6: Final answer
x = 372,062.70
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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.