Finding the Fourth Proportional to 560,028.24, 840,045.40 and 139,304.12
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Solution
The fourth proportional to 560,028.24, 840,045.40 and 139,304.12 is: 208,956.94
Step by Step Solution
- Step 1: Write the proportion equation
560,028.24 : 840,045.40 = 139,304.12 : x - Step 2: Convert to fraction form
560,028.24/840,045.40 = 139,304.12/x - Step 3: Cross multiply
560,028.24x = 840,045.40 × 139,304.12 - Step 4: Simplify right side
560,028.24x = 117,021,785,207.05 - Step 5: Solve for x
x = 117,021,785,207.05/560,028.24 - Step 6: Final answer
x = 208,956.94
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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.