Finding the Fourth Proportional to 134,870.70, 202,277.70 and 68,248.20
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Solution
The fourth proportional to 134,870.70, 202,277.70 and 68,248.20 is: 102,357.95
Step by Step Solution
- Step 1: Write the proportion equation
134,870.70 : 202,277.70 = 68,248.20 : x - Step 2: Convert to fraction form
134,870.70/202,277.70 = 68,248.20/x - Step 3: Cross multiply
134,870.70x = 202,277.70 × 68,248.20 - Step 4: Simplify right side
134,870.70x = 13,805,088,925.14 - Step 5: Solve for x
x = 13,805,088,925.14/134,870.70 - Step 6: Final answer
x = 102,357.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.