Finding the Fourth Proportional to 330,070.29, 495,269.19 and 130,533.81
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Solution
The fourth proportional to 330,070.29, 495,269.19 and 130,533.81 is: 195,865.48
Step by Step Solution
- Step 1: Write the proportion equation
330,070.29 : 495,269.19 = 130,533.81 : x - Step 2: Convert to fraction form
330,070.29/495,269.19 = 130,533.81/x - Step 3: Cross multiply
330,070.29x = 495,269.19 × 130,533.81 - Step 4: Simplify right side
330,070.29x = 64,649,374,346.31 - Step 5: Solve for x
x = 64,649,374,346.31/330,070.29 - Step 6: Final answer
x = 195,865.48
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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.