Finding the Fourth Proportional to 317,985.08, 476,681.15 and 107,475.80
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Solution
The fourth proportional to 317,985.08, 476,681.15 and 107,475.80 is: 161,113.49
Step by Step Solution
- Step 1: Write the proportion equation
317,985.08 : 476,681.15 = 107,475.80 : x - Step 2: Convert to fraction form
317,985.08/476,681.15 = 107,475.80/x - Step 3: Cross multiply
317,985.08x = 476,681.15 × 107,475.80 - Step 4: Simplify right side
317,985.08x = 51,231,685,826.45 - Step 5: Solve for x
x = 51,231,685,826.45/317,985.08 - Step 6: Final answer
x = 161,113.49
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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.