Finding the Fourth Proportional to 399,068.64, 598,426.80 and 149,575.68
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Solution
The fourth proportional to 399,068.64, 598,426.80 and 149,575.68 is: 224,297.49
Step by Step Solution
- Step 1: Write the proportion equation
399,068.64 : 598,426.80 = 149,575.68 : x - Step 2: Convert to fraction form
399,068.64/598,426.80 = 149,575.68/x - Step 3: Cross multiply
399,068.64x = 598,426.80 × 149,575.68 - Step 4: Simplify right side
399,068.64x = 89,510,095,540.22 - Step 5: Solve for x
x = 89,510,095,540.22/399,068.64 - Step 6: Final answer
x = 224,297.49
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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.