Finding the Fourth Proportional to 556,877.16, 768,491.01 and 302,228.42
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Solution
The fourth proportional to 556,877.16, 768,491.01 and 302,228.42 is: 417,075.50
Step by Step Solution
- Step 1: Write the proportion equation
556,877.16 : 768,491.01 = 302,228.42 : x - Step 2: Convert to fraction form
556,877.16/768,491.01 = 302,228.42/x - Step 3: Cross multiply
556,877.16x = 768,491.01 × 302,228.42 - Step 4: Simplify right side
556,877.16x = 232,259,819,894.05 - Step 5: Solve for x
x = 232,259,819,894.05/556,877.16 - Step 6: Final answer
x = 417,075.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.