Finding the Fourth Proportional to 286,438.44, 429,657.84 and 108,904.44
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Solution
The fourth proportional to 286,438.44, 429,657.84 and 108,904.44 is: 163,356.73
Step by Step Solution
- Step 1: Write the proportion equation
286,438.44 : 429,657.84 = 108,904.44 : x - Step 2: Convert to fraction form
286,438.44/429,657.84 = 108,904.44/x - Step 3: Cross multiply
286,438.44x = 429,657.84 × 108,904.44 - Step 4: Simplify right side
286,438.44x = 46,791,646,456.81 - Step 5: Solve for x
x = 46,791,646,456.81/286,438.44 - Step 6: Final answer
x = 163,356.73
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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.