Finding the Fourth Proportional to 407,967.99, 611,807.18 and 119,699.18
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Solution
The fourth proportional to 407,967.99, 611,807.18 and 119,699.18 is: 179,506.28
Step by Step Solution
- Step 1: Write the proportion equation
407,967.99 : 611,807.18 = 119,699.18 : x - Step 2: Convert to fraction form
407,967.99/611,807.18 = 119,699.18/x - Step 3: Cross multiply
407,967.99x = 611,807.18 × 119,699.18 - Step 4: Simplify right side
407,967.99x = 73,232,817,764.11 - Step 5: Solve for x
x = 73,232,817,764.11/407,967.99 - Step 6: Final answer
x = 179,506.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.