Finding the Fourth Proportional to 134,331.66, 201,054.58 and 74,267.80
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Solution
The fourth proportional to 134,331.66, 201,054.58 and 74,267.80 is: 111,156.83
Step by Step Solution
- Step 1: Write the proportion equation
134,331.66 : 201,054.58 = 74,267.80 : x - Step 2: Convert to fraction form
134,331.66/201,054.58 = 74,267.80/x - Step 3: Cross multiply
134,331.66x = 201,054.58 × 74,267.80 - Step 4: Simplify right side
134,331.66x = 14,931,881,336.52 - Step 5: Solve for x
x = 14,931,881,336.52/134,331.66 - Step 6: Final answer
x = 111,156.83
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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.