Finding the Fourth Proportional to 160,346.97, 221,097.74 and 119,931.21
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Solution
The fourth proportional to 160,346.97, 221,097.74 and 119,931.21 is: 165,369.63
Step by Step Solution
- Step 1: Write the proportion equation
160,346.97 : 221,097.74 = 119,931.21 : x - Step 2: Convert to fraction form
160,346.97/221,097.74 = 119,931.21/x - Step 3: Cross multiply
160,346.97x = 221,097.74 × 119,931.21 - Step 4: Simplify right side
160,346.97x = 26,516,518,886.81 - Step 5: Solve for x
x = 26,516,518,886.81/160,346.97 - Step 6: Final answer
x = 165,369.63
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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.