Finding the Fourth Proportional to 170,772.80, 256,159.08 and 46,113.68
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Solution
The fourth proportional to 170,772.80, 256,159.08 and 46,113.68 is: 69,170.49
Step by Step Solution
- Step 1: Write the proportion equation
170,772.80 : 256,159.08 = 46,113.68 : x - Step 2: Convert to fraction form
170,772.80/256,159.08 = 46,113.68/x - Step 3: Cross multiply
170,772.80x = 256,159.08 × 46,113.68 - Step 4: Simplify right side
170,772.80x = 11,812,437,844.21 - Step 5: Solve for x
x = 11,812,437,844.21/170,772.80 - Step 6: Final answer
x = 69,170.49
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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.