Finding the Fourth Proportional to 579,633.98, 869,284.81 and 195,340.99
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Solution
The fourth proportional to 579,633.98, 869,284.81 and 195,340.99 is: 292,955.49
Step by Step Solution
- Step 1: Write the proportion equation
579,633.98 : 869,284.81 = 195,340.99 : x - Step 2: Convert to fraction form
579,633.98/869,284.81 = 195,340.99/x - Step 3: Cross multiply
579,633.98x = 869,284.81 × 195,340.99 - Step 4: Simplify right side
579,633.98x = 169,806,952,715.80 - Step 5: Solve for x
x = 169,806,952,715.80/579,633.98 - Step 6: Final answer
x = 292,955.49
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Similar ratio
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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.