Finding the Fourth Proportional to 368,014.13, 552,020.50 and 115,313.96
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Solution
The fourth proportional to 368,014.13, 552,020.50 and 115,313.96 is: 172,970.72
Step by Step Solution
- Step 1: Write the proportion equation
368,014.13 : 552,020.50 = 115,313.96 : x - Step 2: Convert to fraction form
368,014.13/552,020.50 = 115,313.96/x - Step 3: Cross multiply
368,014.13x = 552,020.50 × 115,313.96 - Step 4: Simplify right side
368,014.13x = 63,655,669,856.18 - Step 5: Solve for x
x = 63,655,669,856.18/368,014.13 - Step 6: Final answer
x = 172,970.72
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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.