Finding the Fourth Proportional to 542,637.19, 813,844.95 and 205,561.63
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Solution
The fourth proportional to 542,637.19, 813,844.95 and 205,561.63 is: 308,300.46
Step by Step Solution
- Step 1: Write the proportion equation
542,637.19 : 813,844.95 = 205,561.63 : x - Step 2: Convert to fraction form
542,637.19/813,844.95 = 205,561.63/x - Step 3: Cross multiply
542,637.19x = 813,844.95 × 205,561.63 - Step 4: Simplify right side
542,637.19x = 167,295,294,489.27 - Step 5: Solve for x
x = 167,295,294,489.27/542,637.19 - Step 6: Final answer
x = 308,300.46
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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.