Finding the Fourth Proportional to 399,168.79, 598,848.86 and 132,931.62
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Solution
The fourth proportional to 399,168.79, 598,848.86 and 132,931.62 is: 199,429.29
Step by Step Solution
- Step 1: Write the proportion equation
399,168.79 : 598,848.86 = 132,931.62 : x - Step 2: Convert to fraction form
399,168.79/598,848.86 = 132,931.62/x - Step 3: Cross multiply
399,168.79x = 598,848.86 × 132,931.62 - Step 4: Simplify right side
399,168.79x = 79,605,949,427.28 - Step 5: Solve for x
x = 79,605,949,427.28/399,168.79 - Step 6: Final answer
x = 199,429.29
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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.