Finding the Fourth Proportional to 99,038.34, 148,384.68 and 82,504.62
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Solution
The fourth proportional to 99,038.34, 148,384.68 and 82,504.62 is: 123,612.95
Step by Step Solution
- Step 1: Write the proportion equation
99,038.34 : 148,384.68 = 82,504.62 : x - Step 2: Convert to fraction form
99,038.34/148,384.68 = 82,504.62/x - Step 3: Cross multiply
99,038.34x = 148,384.68 × 82,504.62 - Step 4: Simplify right side
99,038.34x = 12,242,421,637.22 - Step 5: Solve for x
x = 12,242,421,637.22/99,038.34 - Step 6: Final answer
x = 123,612.95
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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.