Finding the Fourth Proportional to 178,211.46, 245,931.80 and 97,642.03
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Solution
The fourth proportional to 178,211.46, 245,931.80 and 97,642.03 is: 134,745.99
Step by Step Solution
- Step 1: Write the proportion equation
178,211.46 : 245,931.80 = 97,642.03 : x - Step 2: Convert to fraction form
178,211.46/245,931.80 = 97,642.03/x - Step 3: Cross multiply
178,211.46x = 245,931.80 × 97,642.03 - Step 4: Simplify right side
178,211.46x = 24,013,280,193.55 - Step 5: Solve for x
x = 24,013,280,193.55/178,211.46 - Step 6: Final answer
x = 134,745.99
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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.