Finding the Fourth Proportional to 531,106.18, 797,353.71 and 315,358.63
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Solution
The fourth proportional to 531,106.18, 797,353.71 and 315,358.63 is: 473,450.28
Step by Step Solution
- Step 1: Write the proportion equation
531,106.18 : 797,353.71 = 315,358.63 : x - Step 2: Convert to fraction form
531,106.18/797,353.71 = 315,358.63/x - Step 3: Cross multiply
531,106.18x = 797,353.71 × 315,358.63 - Step 4: Simplify right side
531,106.18x = 251,452,370,435.04 - Step 5: Solve for x
x = 251,452,370,435.04/531,106.18 - Step 6: Final answer
x = 473,450.28
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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.