Finding the Fourth Proportional to 298,448.19, 447,628.14 and 108,864.18
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Solution
The fourth proportional to 298,448.19, 447,628.14 and 108,864.18 is: 163,280.17
Step by Step Solution
- Step 1: Write the proportion equation
298,448.19 : 447,628.14 = 108,864.18 : x - Step 2: Convert to fraction form
298,448.19/447,628.14 = 108,864.18/x - Step 3: Cross multiply
298,448.19x = 447,628.14 × 108,864.18 - Step 4: Simplify right side
298,448.19x = 48,730,670,406.03 - Step 5: Solve for x
x = 48,730,670,406.03/298,448.19 - Step 6: Final answer
x = 163,280.17
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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.