Finding the Fourth Proportional to 664,281.30, 996,519.15 and 214,925.70
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Solution
The fourth proportional to 664,281.30, 996,519.15 and 214,925.70 is: 322,420.00
Step by Step Solution
- Step 1: Write the proportion equation
664,281.30 : 996,519.15 = 214,925.70 : x - Step 2: Convert to fraction form
664,281.30/996,519.15 = 214,925.70/x - Step 3: Cross multiply
664,281.30x = 996,519.15 × 214,925.70 - Step 4: Simplify right side
664,281.30x = 214,177,575,877.16 - Step 5: Solve for x
x = 214,177,575,877.16/664,281.30 - Step 6: Final answer
x = 322,420.00
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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.