Finding the Fourth Proportional to 617,420.88, 926,119.98 and 168,134.94
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Solution
The fourth proportional to 617,420.88, 926,119.98 and 168,134.94 is: 252,199.32
Step by Step Solution
- Step 1: Write the proportion equation
617,420.88 : 926,119.98 = 168,134.94 : x - Step 2: Convert to fraction form
617,420.88/926,119.98 = 168,134.94/x - Step 3: Cross multiply
617,420.88x = 926,119.98 × 168,134.94 - Step 4: Simplify right side
617,420.88x = 155,713,127,270.10 - Step 5: Solve for x
x = 155,713,127,270.10/617,420.88 - Step 6: Final answer
x = 252,199.32
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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.