Finding the Fourth Proportional to 185,545.84, 256,052.18 and 100,661.08
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Solution
The fourth proportional to 185,545.84, 256,052.18 and 100,661.08 is: 138,911.70
Step by Step Solution
- Step 1: Write the proportion equation
185,545.84 : 256,052.18 = 100,661.08 : x - Step 2: Convert to fraction form
185,545.84/256,052.18 = 100,661.08/x - Step 3: Cross multiply
185,545.84x = 256,052.18 × 100,661.08 - Step 4: Simplify right side
185,545.84x = 25,774,488,975.15 - Step 5: Solve for x
x = 25,774,488,975.15/185,545.84 - Step 6: Final answer
x = 138,911.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.