Finding the Fourth Proportional to 369,867.47, 510,378.98 and 273,123.09
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Solution
The fourth proportional to 369,867.47, 510,378.98 and 273,123.09 is: 376,881.71
Step by Step Solution
- Step 1: Write the proportion equation
369,867.47 : 510,378.98 = 273,123.09 : x - Step 2: Convert to fraction form
369,867.47/510,378.98 = 273,123.09/x - Step 3: Cross multiply
369,867.47x = 510,378.98 × 273,123.09 - Step 4: Simplify right side
369,867.47x = 139,396,282,723.03 - Step 5: Solve for x
x = 139,396,282,723.03/369,867.47 - Step 6: Final answer
x = 376,881.71
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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.