Finding the Fourth Proportional to 99,547.53, 149,342.90 and 29,432.49
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Solution
The fourth proportional to 99,547.53, 149,342.90 and 29,432.49 is: 44,155.12
Step by Step Solution
- Step 1: Write the proportion equation
99,547.53 : 149,342.90 = 29,432.49 : x - Step 2: Convert to fraction form
99,547.53/149,342.90 = 29,432.49/x - Step 3: Cross multiply
99,547.53x = 149,342.90 × 29,432.49 - Step 4: Simplify right side
99,547.53x = 4,395,533,263.66 - Step 5: Solve for x
x = 4,395,533,263.66/99,547.53 - Step 6: Final answer
x = 44,155.12
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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.