Finding the Fourth Proportional to 598,438.12, 896,881.61 and 243,039.28
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Solution
The fourth proportional to 598,438.12, 896,881.61 and 243,039.28 is: 364,243.94
Step by Step Solution
- Step 1: Write the proportion equation
598,438.12 : 896,881.61 = 243,039.28 : x - Step 2: Convert to fraction form
598,438.12/896,881.61 = 243,039.28/x - Step 3: Cross multiply
598,438.12x = 896,881.61 × 243,039.28 - Step 4: Simplify right side
598,438.12x = 217,977,459,524.44 - Step 5: Solve for x
x = 217,977,459,524.44/598,438.12 - Step 6: Final answer
x = 364,243.94
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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.