Finding the Fourth Proportional to 312,663.02, 468,991.13 and 76,005.95
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Solution
The fourth proportional to 312,663.02, 468,991.13 and 76,005.95 is: 114,008.09
Step by Step Solution
- Step 1: Write the proportion equation
312,663.02 : 468,991.13 = 76,005.95 : x - Step 2: Convert to fraction form
312,663.02/468,991.13 = 76,005.95/x - Step 3: Cross multiply
312,663.02x = 468,991.13 × 76,005.95 - Step 4: Simplify right side
312,663.02x = 35,646,113,652.24 - Step 5: Solve for x
x = 35,646,113,652.24/312,663.02 - Step 6: Final answer
x = 114,008.09
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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.