Finding the Fourth Proportional to 68,328.04, 102,497.34 and 26,228.28
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Solution
The fourth proportional to 68,328.04, 102,497.34 and 26,228.28 is: 39,344.45
Step by Step Solution
- Step 1: Write the proportion equation
68,328.04 : 102,497.34 = 26,228.28 : x - Step 2: Convert to fraction form
68,328.04/102,497.34 = 26,228.28/x - Step 3: Cross multiply
68,328.04x = 102,497.34 × 26,228.28 - Step 4: Simplify right side
68,328.04x = 2,688,328,932.78 - Step 5: Solve for x
x = 2,688,328,932.78/68,328.04 - Step 6: Final answer
x = 39,344.45
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1.5x scale
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.