Finding the Fourth Proportional to 306,977.91, 459,616.65 and 156,895.02
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Solution
The fourth proportional to 306,977.91, 459,616.65 and 156,895.02 is: 234,907.99
Step by Step Solution
- Step 1: Write the proportion equation
306,977.91 : 459,616.65 = 156,895.02 : x - Step 2: Convert to fraction form
306,977.91/459,616.65 = 156,895.02/x - Step 3: Cross multiply
306,977.91x = 459,616.65 × 156,895.02 - Step 4: Simplify right side
306,977.91x = 72,111,563,494.08 - Step 5: Solve for x
x = 72,111,563,494.08/306,977.91 - Step 6: Final answer
x = 234,907.99
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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.