Finding the Fourth Proportional to 112,340.16, 155,025.36 and 62,038.08
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Solution
The fourth proportional to 112,340.16, 155,025.36 and 62,038.08 is: 85,610.31
Step by Step Solution
- Step 1: Write the proportion equation
112,340.16 : 155,025.36 = 62,038.08 : x - Step 2: Convert to fraction form
112,340.16/155,025.36 = 62,038.08/x - Step 3: Cross multiply
112,340.16x = 155,025.36 × 62,038.08 - Step 4: Simplify right side
112,340.16x = 9,617,475,685.71 - Step 5: Solve for x
x = 9,617,475,685.71/112,340.16 - Step 6: Final answer
x = 85,610.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.