Finding the Fourth Proportional to 185,316.84, 255,730.37 and 100,432.08
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Solution
The fourth proportional to 185,316.84, 255,730.37 and 100,432.08 is: 138,592.54
Step by Step Solution
- Step 1: Write the proportion equation
185,316.84 : 255,730.37 = 100,432.08 : x - Step 2: Convert to fraction form
185,316.84/255,730.37 = 100,432.08/x - Step 3: Cross multiply
185,316.84x = 255,730.37 × 100,432.08 - Step 4: Simplify right side
185,316.84x = 25,683,532,476.11 - Step 5: Solve for x
x = 25,683,532,476.11/185,316.84 - Step 6: Final answer
x = 138,592.54
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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.