Finding the Fourth Proportional to 135,006.90, 202,510.35 and 133,038.60
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Solution
The fourth proportional to 135,006.90, 202,510.35 and 133,038.60 is: 199,557.90
Step by Step Solution
- Step 1: Write the proportion equation
135,006.90 : 202,510.35 = 133,038.60 : x - Step 2: Convert to fraction form
135,006.90/202,510.35 = 133,038.60/x - Step 3: Cross multiply
135,006.90x = 202,510.35 × 133,038.60 - Step 4: Simplify right side
135,006.90x = 26,941,693,449.51 - Step 5: Solve for x
x = 26,941,693,449.51/135,006.90 - Step 6: Final answer
x = 199,557.90
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1.5x scale
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.