Finding the Fourth Proportional to 684,265.12, 1,026,135.28 and 234,902.24
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Solution
The fourth proportional to 684,265.12, 1,026,135.28 and 234,902.24 is: 352,263.28
Step by Step Solution
- Step 1: Write the proportion equation
684,265.12 : 1,026,135.28 = 234,902.24 : x - Step 2: Convert to fraction form
684,265.12/1,026,135.28 = 234,902.24/x - Step 3: Cross multiply
684,265.12x = 1,026,135.28 × 234,902.24 - Step 4: Simplify right side
684,265.12x = 241,041,475,815.03 - Step 5: Solve for x
x = 241,041,475,815.03/684,265.12 - Step 6: Final answer
x = 352,263.28
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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.