Finding the Fourth Proportional to 513,373.44, 769,875.84 and 197,671.68
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Solution
The fourth proportional to 513,373.44, 769,875.84 and 197,671.68 is: 296,436.55
Step by Step Solution
- Step 1: Write the proportion equation
513,373.44 : 769,875.84 = 197,671.68 : x - Step 2: Convert to fraction form
513,373.44/769,875.84 = 197,671.68/x - Step 3: Cross multiply
513,373.44x = 769,875.84 × 197,671.68 - Step 4: Simplify right side
513,373.44x = 152,182,650,684.21 - Step 5: Solve for x
x = 152,182,650,684.21/513,373.44 - Step 6: Final answer
x = 296,436.55
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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.