Finding the Fourth Proportional to 237,468.95, 327,706.64 and 128,572.74
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Solution
The fourth proportional to 237,468.95, 327,706.64 and 128,572.74 is: 177,430.11
Step by Step Solution
- Step 1: Write the proportion equation
237,468.95 : 327,706.64 = 128,572.74 : x - Step 2: Convert to fraction form
237,468.95/327,706.64 = 128,572.74/x - Step 3: Cross multiply
237,468.95x = 327,706.64 × 128,572.74 - Step 4: Simplify right side
237,468.95x = 42,134,139,978.13 - Step 5: Solve for x
x = 42,134,139,978.13/237,468.95 - Step 6: Final answer
x = 177,430.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.