Finding the Fourth Proportional to 197,328.14, 272,248.45 and 120,767.55
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Solution
The fourth proportional to 197,328.14, 272,248.45 and 120,767.55 is: 166,619.82
Step by Step Solution
- Step 1: Write the proportion equation
197,328.14 : 272,248.45 = 120,767.55 : x - Step 2: Convert to fraction form
197,328.14/272,248.45 = 120,767.55/x - Step 3: Cross multiply
197,328.14x = 272,248.45 × 120,767.55 - Step 4: Simplify right side
197,328.14x = 32,878,778,297.80 - Step 5: Solve for x
x = 32,878,778,297.80/197,328.14 - Step 6: Final answer
x = 166,619.82
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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.