Finding the Fourth Proportional to 542,639.19, 813,847.95 and 205,563.63
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Solution
The fourth proportional to 542,639.19, 813,847.95 and 205,563.63 is: 308,303.46
Step by Step Solution
- Step 1: Write the proportion equation
542,639.19 : 813,847.95 = 205,563.63 : x - Step 2: Convert to fraction form
542,639.19/813,847.95 = 205,563.63/x - Step 3: Cross multiply
542,639.19x = 813,847.95 × 205,563.63 - Step 4: Simplify right side
542,639.19x = 167,297,538,870.06 - Step 5: Solve for x
x = 167,297,538,870.06/542,639.19 - Step 6: Final answer
x = 308,303.46
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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.