Finding the Fourth Proportional to 163,035.20, 244,552.80 and 157,130.30
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Solution
The fourth proportional to 163,035.20, 244,552.80 and 157,130.30 is: 235,695.45
Step by Step Solution
- Step 1: Write the proportion equation
163,035.20 : 244,552.80 = 157,130.30 : x - Step 2: Convert to fraction form
163,035.20/244,552.80 = 157,130.30/x - Step 3: Cross multiply
163,035.20x = 244,552.80 × 157,130.30 - Step 4: Simplify right side
163,035.20x = 38,426,654,829.84 - Step 5: Solve for x
x = 38,426,654,829.84/163,035.20 - Step 6: Final answer
x = 235,695.45
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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.