Finding the Fourth Proportional to 226,510.95, 312,257.71 and 149,901.71
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Solution
The fourth proportional to 226,510.95, 312,257.71 and 149,901.71 is: 206,647.68
Step by Step Solution
- Step 1: Write the proportion equation
226,510.95 : 312,257.71 = 149,901.71 : x - Step 2: Convert to fraction form
226,510.95/312,257.71 = 149,901.71/x - Step 3: Cross multiply
226,510.95x = 312,257.71 × 149,901.71 - Step 4: Simplify right side
226,510.95x = 46,807,962,894.17 - Step 5: Solve for x
x = 46,807,962,894.17/226,510.95 - Step 6: Final answer
x = 206,647.68
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1.5x scale
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.