Finding the Fourth Proportional to 500,490.23, 750,378.67 and 234,105.53
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Solution
The fourth proportional to 500,490.23, 750,378.67 and 234,105.53 is: 350,991.45
Step by Step Solution
- Step 1: Write the proportion equation
500,490.23 : 750,378.67 = 234,105.53 : x - Step 2: Convert to fraction form
500,490.23/750,378.67 = 234,105.53/x - Step 3: Cross multiply
500,490.23x = 750,378.67 × 234,105.53 - Step 4: Simplify right side
500,490.23x = 175,667,791,903.89 - Step 5: Solve for x
x = 175,667,791,903.89/500,490.23 - Step 6: Final answer
x = 350,991.45
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1.5x scale
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.