Finding the Fourth Proportional to 147,497.96, 203,545.28 and 83,831.56
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Solution
The fourth proportional to 147,497.96, 203,545.28 and 83,831.56 is: 115,686.47
Step by Step Solution
- Step 1: Write the proportion equation
147,497.96 : 203,545.28 = 83,831.56 : x - Step 2: Convert to fraction form
147,497.96/203,545.28 = 83,831.56/x - Step 3: Cross multiply
147,497.96x = 203,545.28 × 83,831.56 - Step 4: Simplify right side
147,497.96x = 17,063,518,353.04 - Step 5: Solve for x
x = 17,063,518,353.04/147,497.96 - Step 6: Final answer
x = 115,686.47
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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.