Finding the Fourth Proportional to 225,035.76, 310,267.08 and 144,320.88
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Solution
The fourth proportional to 225,035.76, 310,267.08 and 144,320.88 is: 198,981.79
Step by Step Solution
- Step 1: Write the proportion equation
225,035.76 : 310,267.08 = 144,320.88 : x - Step 2: Convert to fraction form
225,035.76/310,267.08 = 144,320.88/x - Step 3: Cross multiply
225,035.76x = 310,267.08 × 144,320.88 - Step 4: Simplify right side
225,035.76x = 44,778,018,020.63 - Step 5: Solve for x
x = 44,778,018,020.63/225,035.76 - Step 6: Final answer
x = 198,981.79
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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.