Finding the Fourth Proportional to 98,331.66, 147,497.58 and 42,135.30
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Solution
The fourth proportional to 98,331.66, 147,497.58 and 42,135.30 is: 63,202.99
Step by Step Solution
- Step 1: Write the proportion equation
98,331.66 : 147,497.58 = 42,135.30 : x - Step 2: Convert to fraction form
98,331.66/147,497.58 = 42,135.30/x - Step 3: Cross multiply
98,331.66x = 147,497.58 × 42,135.30 - Step 4: Simplify right side
98,331.66x = 6,214,854,782.57 - Step 5: Solve for x
x = 6,214,854,782.57/98,331.66 - Step 6: Final answer
x = 63,202.99
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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.