Finding the Fourth Proportional to 411,683.20, 617,202.20 and 162,551.68
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Solution
The fourth proportional to 411,683.20, 617,202.20 and 162,551.68 is: 243,700.14
Step by Step Solution
- Step 1: Write the proportion equation
411,683.20 : 617,202.20 = 162,551.68 : x - Step 2: Convert to fraction form
411,683.20/617,202.20 = 162,551.68/x - Step 3: Cross multiply
411,683.20x = 617,202.20 × 162,551.68 - Step 4: Simplify right side
411,683.20x = 100,327,254,509.70 - Step 5: Solve for x
x = 100,327,254,509.70/411,683.20 - Step 6: Final answer
x = 243,700.14
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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.