Finding the Fourth Proportional to 369,032.76, 509,313.96 and 207,919.62
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Solution
The fourth proportional to 369,032.76, 509,313.96 and 207,919.62 is: 286,956.54
Step by Step Solution
- Step 1: Write the proportion equation
369,032.76 : 509,313.96 = 207,919.62 : x - Step 2: Convert to fraction form
369,032.76/509,313.96 = 207,919.62/x - Step 3: Cross multiply
369,032.76x = 509,313.96 × 207,919.62 - Step 4: Simplify right side
369,032.76x = 105,896,365,023.90 - Step 5: Solve for x
x = 105,896,365,023.90/369,032.76 - Step 6: Final answer
x = 286,956.54
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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.