Finding the Fourth Proportional to 178,158.30, 245,858.40 and 97,590.84
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Solution
The fourth proportional to 178,158.30, 245,858.40 and 97,590.84 is: 134,675.33
Step by Step Solution
- Step 1: Write the proportion equation
178,158.30 : 245,858.40 = 97,590.84 : x - Step 2: Convert to fraction form
178,158.30/245,858.40 = 97,590.84/x - Step 3: Cross multiply
178,158.30x = 245,858.40 × 97,590.84 - Step 4: Simplify right side
178,158.30x = 23,993,527,777.06 - Step 5: Solve for x
x = 23,993,527,777.06/178,158.30 - Step 6: Final answer
x = 134,675.33
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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.