Finding the Fourth Proportional to 362,340.70, 542,854.95 and 309,852.70
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Solution
The fourth proportional to 362,340.70, 542,854.95 and 309,852.70 is: 464,217.99
Step by Step Solution
- Step 1: Write the proportion equation
362,340.70 : 542,854.95 = 309,852.70 : x - Step 2: Convert to fraction form
362,340.70/542,854.95 = 309,852.70/x - Step 3: Cross multiply
362,340.70x = 542,854.95 × 309,852.70 - Step 4: Simplify right side
362,340.70x = 168,205,071,965.87 - Step 5: Solve for x
x = 168,205,071,965.87/362,340.70 - Step 6: Final answer
x = 464,217.99
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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.