Finding the Fourth Proportional to 162,853.84, 243,866.04 and 107,281.36
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Solution
The fourth proportional to 162,853.84, 243,866.04 and 107,281.36 is: 160,648.84
Step by Step Solution
- Step 1: Write the proportion equation
162,853.84 : 243,866.04 = 107,281.36 : x - Step 2: Convert to fraction form
162,853.84/243,866.04 = 107,281.36/x - Step 3: Cross multiply
162,853.84x = 243,866.04 × 107,281.36 - Step 4: Simplify right side
162,853.84x = 26,162,280,429.01 - Step 5: Solve for x
x = 26,162,280,429.01/162,853.84 - Step 6: Final answer
x = 160,648.84
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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.