Finding the Fourth Proportional to 553,766.26, 764,197.48 and 299,117.46
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Solution
The fourth proportional to 553,766.26, 764,197.48 and 299,117.46 is: 412,782.12
Step by Step Solution
- Step 1: Write the proportion equation
553,766.26 : 764,197.48 = 299,117.46 : x - Step 2: Convert to fraction form
553,766.26/764,197.48 = 299,117.46/x - Step 3: Cross multiply
553,766.26x = 764,197.48 × 299,117.46 - Step 4: Simplify right side
553,766.26x = 228,584,809,156.00 - Step 5: Solve for x
x = 228,584,809,156.00/553,766.26 - Step 6: Final answer
x = 412,782.12
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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.