Finding the Fourth Proportional to 556,657.59, 834,871.55 and 272,055.99
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Solution
The fourth proportional to 556,657.59, 834,871.55 and 272,055.99 is: 408,027.86
Step by Step Solution
- Step 1: Write the proportion equation
556,657.59 : 834,871.55 = 272,055.99 : x - Step 2: Convert to fraction form
556,657.59/834,871.55 = 272,055.99/x - Step 3: Cross multiply
556,657.59x = 834,871.55 × 272,055.99 - Step 4: Simplify right side
556,657.59x = 227,131,804,697.81 - Step 5: Solve for x
x = 227,131,804,697.81/556,657.59 - Step 6: Final answer
x = 408,027.86
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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.