Finding the Fourth Proportional to 330,268.40, 495,305.36 and 93,631.76
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Solution
The fourth proportional to 330,268.40, 495,305.36 and 93,631.76 is: 140,420.07
Step by Step Solution
- Step 1: Write the proportion equation
330,268.40 : 495,305.36 = 93,631.76 : x - Step 2: Convert to fraction form
330,268.40/495,305.36 = 93,631.76/x - Step 3: Cross multiply
330,268.40x = 495,305.36 × 93,631.76 - Step 4: Simplify right side
330,268.40x = 46,376,312,594.23 - Step 5: Solve for x
x = 46,376,312,594.23/330,268.40 - Step 6: Final answer
x = 140,420.07
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1.5x scale
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.