Finding the Fourth Proportional to 178,211.96, 245,932.50 and 97,642.53
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Solution
The fourth proportional to 178,211.96, 245,932.50 and 97,642.53 is: 134,746.69
Step by Step Solution
- Step 1: Write the proportion equation
178,211.96 : 245,932.50 = 97,642.53 : x - Step 2: Convert to fraction form
178,211.96/245,932.50 = 97,642.53/x - Step 3: Cross multiply
178,211.96x = 245,932.50 × 97,642.53 - Step 4: Simplify right side
178,211.96x = 24,013,471,509.23 - Step 5: Solve for x
x = 24,013,471,509.23/178,211.96 - Step 6: Final answer
x = 134,746.69
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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.