Finding the Fourth Proportional to 350,135.60, 524,512.20 and 209,476.40
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Solution
The fourth proportional to 350,135.60, 524,512.20 and 209,476.40 is: 313,801.07
Step by Step Solution
- Step 1: Write the proportion equation
350,135.60 : 524,512.20 = 209,476.40 : x - Step 2: Convert to fraction form
350,135.60/524,512.20 = 209,476.40/x - Step 3: Cross multiply
350,135.60x = 524,512.20 × 209,476.40 - Step 4: Simplify right side
350,135.60x = 109,872,927,412.08 - Step 5: Solve for x
x = 109,872,927,412.08/350,135.60 - Step 6: Final answer
x = 313,801.07
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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.