Finding the Fourth Proportional to 512,616.94, 768,946.36 and 175,889.14
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Solution
The fourth proportional to 512,616.94, 768,946.36 and 175,889.14 is: 263,840.90
Step by Step Solution
- Step 1: Write the proportion equation
512,616.94 : 768,946.36 = 175,889.14 : x - Step 2: Convert to fraction form
512,616.94/768,946.36 = 175,889.14/x - Step 3: Cross multiply
512,616.94x = 768,946.36 × 175,889.14 - Step 4: Simplify right side
512,616.94x = 135,249,313,966.53 - Step 5: Solve for x
x = 135,249,313,966.53/512,616.94 - Step 6: Final answer
x = 263,840.90
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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.