Finding the Fourth Proportional to 158,714.24, 237,970.08 and 68,708.48
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Solution
The fourth proportional to 158,714.24, 237,970.08 and 68,708.48 is: 103,018.88
Step by Step Solution
- Step 1: Write the proportion equation
158,714.24 : 237,970.08 = 68,708.48 : x - Step 2: Convert to fraction form
158,714.24/237,970.08 = 68,708.48/x - Step 3: Cross multiply
158,714.24x = 237,970.08 × 68,708.48 - Step 4: Simplify right side
158,714.24x = 16,350,562,482.28 - Step 5: Solve for x
x = 16,350,562,482.28/158,714.24 - Step 6: Final answer
x = 103,018.88
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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.