Finding the Fourth Proportional to 1,107,167.70, 1,660,751.55 and 359,213.70
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Solution
The fourth proportional to 1,107,167.70, 1,660,751.55 and 359,213.70 is: 538,820.55
Step by Step Solution
- Step 1: Write the proportion equation
1,107,167.70 : 1,660,751.55 = 359,213.70 : x - Step 2: Convert to fraction form
1,107,167.70/1,660,751.55 = 359,213.70/x - Step 3: Cross multiply
1,107,167.70x = 1,660,751.55 × 359,213.70 - Step 4: Simplify right side
1,107,167.70x = 596,564,709,056.24 - Step 5: Solve for x
x = 596,564,709,056.24/1,107,167.70 - Step 6: Final answer
x = 538,820.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.