Finding the Fourth Proportional to 165,444.48, 228,305.05 and 93,831.17
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Solution
The fourth proportional to 165,444.48, 228,305.05 and 93,831.17 is: 129,482.28
Step by Step Solution
- Step 1: Write the proportion equation
165,444.48 : 228,305.05 = 93,831.17 : x - Step 2: Convert to fraction form
165,444.48/228,305.05 = 93,831.17/x - Step 3: Cross multiply
165,444.48x = 228,305.05 × 93,831.17 - Step 4: Simplify right side
165,444.48x = 21,422,128,582.31 - Step 5: Solve for x
x = 21,422,128,582.31/165,444.48 - Step 6: Final answer
x = 129,482.28
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1.5x scale
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.