Finding the Fourth Proportional to 330,347.08, 495,518.28 and 93,689.56
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Solution
The fourth proportional to 330,347.08, 495,518.28 and 93,689.56 is: 140,533.68
Step by Step Solution
- Step 1: Write the proportion equation
330,347.08 : 495,518.28 = 93,689.56 : x - Step 2: Convert to fraction form
330,347.08/495,518.28 = 93,689.56/x - Step 3: Cross multiply
330,347.08x = 495,518.28 × 93,689.56 - Step 4: Simplify right side
330,347.08x = 46,424,889,625.16 - Step 5: Solve for x
x = 46,424,889,625.16/330,347.08 - Step 6: Final answer
x = 140,533.68
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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.