Finding the Fourth Proportional to 319,967.64, 479,898.93 and 106,737.19
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Solution
The fourth proportional to 319,967.64, 479,898.93 and 106,737.19 is: 160,088.26
Step by Step Solution
- Step 1: Write the proportion equation
319,967.64 : 479,898.93 = 106,737.19 : x - Step 2: Convert to fraction form
319,967.64/479,898.93 = 106,737.19/x - Step 3: Cross multiply
319,967.64x = 479,898.93 × 106,737.19 - Step 4: Simplify right side
319,967.64x = 51,223,063,272.21 - Step 5: Solve for x
x = 51,223,063,272.21/319,967.64 - Step 6: Final answer
x = 160,088.26
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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.