Finding the Fourth Proportional to 493,419.53, 740,155.70 and 156,485.75
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Solution
The fourth proportional to 493,419.53, 740,155.70 and 156,485.75 is: 234,736.99
Step by Step Solution
- Step 1: Write the proportion equation
493,419.53 : 740,155.70 = 156,485.75 : x - Step 2: Convert to fraction form
493,419.53/740,155.70 = 156,485.75/x - Step 3: Cross multiply
493,419.53x = 740,155.70 × 156,485.75 - Step 4: Simplify right side
493,419.53x = 115,823,816,521.71 - Step 5: Solve for x
x = 115,823,816,521.71/493,419.53 - Step 6: Final answer
x = 234,736.99
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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.