Finding the Fourth Proportional to 178,988.04, 247,009.84 and 98,421.73
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Solution
The fourth proportional to 178,988.04, 247,009.84 and 98,421.73 is: 135,825.47
Step by Step Solution
- Step 1: Write the proportion equation
178,988.04 : 247,009.84 = 98,421.73 : x - Step 2: Convert to fraction form
178,988.04/247,009.84 = 98,421.73/x - Step 3: Cross multiply
178,988.04x = 247,009.84 × 98,421.73 - Step 4: Simplify right side
178,988.04x = 24,311,134,916.24 - Step 5: Solve for x
x = 24,311,134,916.24/178,988.04 - Step 6: Final answer
x = 135,825.47
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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.