Finding the Fourth Proportional to 523,438.08, 785,364.48 and 191,247.36
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Solution
The fourth proportional to 523,438.08, 785,364.48 and 191,247.36 is: 286,946.80
Step by Step Solution
- Step 1: Write the proportion equation
523,438.08 : 785,364.48 = 191,247.36 : x - Step 2: Convert to fraction form
523,438.08/785,364.48 = 191,247.36/x - Step 3: Cross multiply
523,438.08x = 785,364.48 × 191,247.36 - Step 4: Simplify right side
523,438.08x = 150,198,883,437.77 - Step 5: Solve for x
x = 150,198,883,437.77/523,438.08 - Step 6: Final answer
x = 286,946.80
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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.