Finding the Fourth Proportional to 556,422.08, 834,641.76 and 135,705.92
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Solution
The fourth proportional to 556,422.08, 834,641.76 and 135,705.92 is: 203,560.99
Step by Step Solution
- Step 1: Write the proportion equation
556,422.08 : 834,641.76 = 135,705.92 : x - Step 2: Convert to fraction form
556,422.08/834,641.76 = 135,705.92/x - Step 3: Cross multiply
556,422.08x = 834,641.76 × 135,705.92 - Step 4: Simplify right side
556,422.08x = 113,265,827,911.22 - Step 5: Solve for x
x = 113,265,827,911.22/556,422.08 - Step 6: Final answer
x = 203,560.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.