Finding the Fourth Proportional to 228,670.12, 341,373.80 and 213,474.19
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Solution
The fourth proportional to 228,670.12, 341,373.80 and 213,474.19 is: 318,688.32
Step by Step Solution
- Step 1: Write the proportion equation
228,670.12 : 341,373.80 = 213,474.19 : x - Step 2: Convert to fraction form
228,670.12/341,373.80 = 213,474.19/x - Step 3: Cross multiply
228,670.12x = 341,373.80 × 213,474.19 - Step 4: Simplify right side
228,670.12x = 72,874,495,442.22 - Step 5: Solve for x
x = 72,874,495,442.22/228,670.12 - Step 6: Final answer
x = 318,688.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.