Finding the Fourth Proportional to 133,327.08, 183,994.02 and 72,901.49
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Solution
The fourth proportional to 133,327.08, 183,994.02 and 72,901.49 is: 100,605.50
Step by Step Solution
- Step 1: Write the proportion equation
133,327.08 : 183,994.02 = 72,901.49 : x - Step 2: Convert to fraction form
133,327.08/183,994.02 = 72,901.49/x - Step 3: Cross multiply
133,327.08x = 183,994.02 × 72,901.49 - Step 4: Simplify right side
133,327.08x = 13,413,437,289.12 - Step 5: Solve for x
x = 13,413,437,289.12/133,327.08 - Step 6: Final answer
x = 100,605.50
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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.