Finding the Fourth Proportional to 405,246.12, 607,862.46 and 155,982.12
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Solution
The fourth proportional to 405,246.12, 607,862.46 and 155,982.12 is: 233,970.59
Step by Step Solution
- Step 1: Write the proportion equation
405,246.12 : 607,862.46 = 155,982.12 : x - Step 2: Convert to fraction form
405,246.12/607,862.46 = 155,982.12/x - Step 3: Cross multiply
405,246.12x = 607,862.46 × 155,982.12 - Step 4: Simplify right side
405,246.12x = 94,815,675,179.22 - Step 5: Solve for x
x = 94,815,675,179.22/405,246.12 - Step 6: Final answer
x = 233,970.59
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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.