Finding the Fourth Proportional to 178,203.80, 245,921.45 and 97,636.48
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Solution
The fourth proportional to 178,203.80, 245,921.45 and 97,636.48 is: 134,738.45
Step by Step Solution
- Step 1: Write the proportion equation
178,203.80 : 245,921.45 = 97,636.48 : x - Step 2: Convert to fraction form
178,203.80/245,921.45 = 97,636.48/x - Step 3: Cross multiply
178,203.80x = 245,921.45 × 97,636.48 - Step 4: Simplify right side
178,203.80x = 24,010,903,631.51 - Step 5: Solve for x
x = 24,010,903,631.51/178,203.80 - Step 6: Final answer
x = 134,738.45
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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.