Finding the Fourth Proportional to 282,386.24, 423,454.98 and 132,669.08
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Solution
The fourth proportional to 282,386.24, 423,454.98 and 132,669.08 is: 198,945.18
Step by Step Solution
- Step 1: Write the proportion equation
282,386.24 : 423,454.98 = 132,669.08 : x - Step 2: Convert to fraction form
282,386.24/423,454.98 = 132,669.08/x - Step 3: Cross multiply
282,386.24x = 423,454.98 × 132,669.08 - Step 4: Simplify right side
282,386.24x = 56,179,382,618.02 - Step 5: Solve for x
x = 56,179,382,618.02/282,386.24 - Step 6: Final answer
x = 198,945.18
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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.