Finding the Fourth Proportional to 725,263.16, 1,087,218.36 and 245,156.92
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Solution
The fourth proportional to 725,263.16, 1,087,218.36 and 245,156.92 is: 367,506.75
Step by Step Solution
- Step 1: Write the proportion equation
725,263.16 : 1,087,218.36 = 245,156.92 : x - Step 2: Convert to fraction form
725,263.16/1,087,218.36 = 245,156.92/x - Step 3: Cross multiply
725,263.16x = 1,087,218.36 × 245,156.92 - Step 4: Simplify right side
725,263.16x = 266,539,101,787.01 - Step 5: Solve for x
x = 266,539,101,787.01/725,263.16 - Step 6: Final answer
x = 367,506.75
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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.