Finding the Fourth Proportional to 157,220.80, 235,831.20 and 94,235.20
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Solution
The fourth proportional to 157,220.80, 235,831.20 and 94,235.20 is: 141,352.80
Step by Step Solution
- Step 1: Write the proportion equation
157,220.80 : 235,831.20 = 94,235.20 : x - Step 2: Convert to fraction form
157,220.80/235,831.20 = 94,235.20/x - Step 3: Cross multiply
157,220.80x = 235,831.20 × 94,235.20 - Step 4: Simplify right side
157,220.80x = 22,223,600,298.24 - Step 5: Solve for x
x = 22,223,600,298.24/157,220.80 - Step 6: Final answer
x = 141,352.80
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1.5x scale
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.