Finding the Fourth Proportional to 586,726.80, 880,435.80 and 212,701.20
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Solution
The fourth proportional to 586,726.80, 880,435.80 and 212,701.20 is: 319,177.09
Step by Step Solution
- Step 1: Write the proportion equation
586,726.80 : 880,435.80 = 212,701.20 : x - Step 2: Convert to fraction form
586,726.80/880,435.80 = 212,701.20/x - Step 3: Cross multiply
586,726.80x = 880,435.80 × 212,701.20 - Step 4: Simplify right side
586,726.80x = 187,269,751,182.96 - Step 5: Solve for x
x = 187,269,751,182.96/586,726.80 - Step 6: Final answer
x = 319,177.09
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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.