Finding the Fourth Proportional to 146,349.76, 201,962.66 and 79,281.76
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Solution
The fourth proportional to 146,349.76, 201,962.66 and 79,281.76 is: 109,408.82
Step by Step Solution
- Step 1: Write the proportion equation
146,349.76 : 201,962.66 = 79,281.76 : x - Step 2: Convert to fraction form
146,349.76/201,962.66 = 79,281.76/x - Step 3: Cross multiply
146,349.76x = 201,962.66 × 79,281.76 - Step 4: Simplify right side
146,349.76x = 16,011,955,139.08 - Step 5: Solve for x
x = 16,011,955,139.08/146,349.76 - Step 6: Final answer
x = 109,408.82
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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.