Finding the Fourth Proportional to 447,228.84, 617,157.71 and 243,280.00
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Solution
The fourth proportional to 447,228.84, 617,157.71 and 243,280.00 is: 335,716.56
Step by Step Solution
- Step 1: Write the proportion equation
447,228.84 : 617,157.71 = 243,280.00 : x - Step 2: Convert to fraction form
447,228.84/617,157.71 = 243,280.00/x - Step 3: Cross multiply
447,228.84x = 617,157.71 × 243,280.00 - Step 4: Simplify right side
447,228.84x = 150,142,128,156.15 - Step 5: Solve for x
x = 150,142,128,156.15/447,228.84 - Step 6: Final answer
x = 335,716.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.