Finding the Fourth Proportional to 499,642.97, 749,356.97 and 158,113.40
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Solution
The fourth proportional to 499,642.97, 749,356.97 and 158,113.40 is: 237,136.08
Step by Step Solution
- Step 1: Write the proportion equation
499,642.97 : 749,356.97 = 158,113.40 : x - Step 2: Convert to fraction form
499,642.97/749,356.97 = 158,113.40/x - Step 3: Cross multiply
499,642.97x = 749,356.97 × 158,113.40 - Step 4: Simplify right side
499,642.97x = 118,483,373,803.05 - Step 5: Solve for x
x = 118,483,373,803.05/499,642.97 - Step 6: Final answer
x = 237,136.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.