Finding the Fourth Proportional to 307,120.91, 460,746.96 and 107,447.81
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Solution
The fourth proportional to 307,120.91, 460,746.96 and 107,447.81 is: 161,194.66
Step by Step Solution
- Step 1: Write the proportion equation
307,120.91 : 460,746.96 = 107,447.81 : x - Step 2: Convert to fraction form
307,120.91/460,746.96 = 107,447.81/x - Step 3: Cross multiply
307,120.91x = 460,746.96 × 107,447.81 - Step 4: Simplify right side
307,120.91x = 49,506,249,512.42 - Step 5: Solve for x
x = 49,506,249,512.42/307,120.91 - Step 6: Final answer
x = 161,194.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.