Finding the Fourth Proportional to 178,174.08, 245,877.12 and 97,603.20
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Solution
The fourth proportional to 178,174.08, 245,877.12 and 97,603.20 is: 134,690.71
Step by Step Solution
- Step 1: Write the proportion equation
178,174.08 : 245,877.12 = 97,603.20 : x - Step 2: Convert to fraction form
178,174.08/245,877.12 = 97,603.20/x - Step 3: Cross multiply
178,174.08x = 245,877.12 × 97,603.20 - Step 4: Simplify right side
178,174.08x = 23,998,393,718.78 - Step 5: Solve for x
x = 23,998,393,718.78/178,174.08 - Step 6: Final answer
x = 134,690.71
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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.