Finding the Fourth Proportional to 513,206.04, 769,840.56 and 197,663.88
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Solution
The fourth proportional to 513,206.04, 769,840.56 and 197,663.88 is: 296,507.95
Step by Step Solution
- Step 1: Write the proportion equation
513,206.04 : 769,840.56 = 197,663.88 : x - Step 2: Convert to fraction form
513,206.04/769,840.56 = 197,663.88/x - Step 3: Cross multiply
513,206.04x = 769,840.56 × 197,663.88 - Step 4: Simplify right side
513,206.04x = 152,169,672,070.97 - Step 5: Solve for x
x = 152,169,672,070.97/513,206.04 - Step 6: Final answer
x = 296,507.95
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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.