Finding the Fourth Proportional to 359,774.93, 539,563.88 and 135,117.99
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Solution
The fourth proportional to 359,774.93, 539,563.88 and 135,117.99 is: 202,639.99
Step by Step Solution
- Step 1: Write the proportion equation
359,774.93 : 539,563.88 = 135,117.99 : x - Step 2: Convert to fraction form
359,774.93/539,563.88 = 135,117.99/x - Step 3: Cross multiply
359,774.93x = 539,563.88 × 135,117.99 - Step 4: Simplify right side
359,774.93x = 72,904,787,280.00 - Step 5: Solve for x
x = 72,904,787,280.00/359,774.93 - Step 6: Final answer
x = 202,639.99
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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.