Finding the Fourth Proportional to 556,153.80, 834,230.70 and 346,201.80
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Solution
The fourth proportional to 556,153.80, 834,230.70 and 346,201.80 is: 519,302.70
Step by Step Solution
- Step 1: Write the proportion equation
556,153.80 : 834,230.70 = 346,201.80 : x - Step 2: Convert to fraction form
556,153.80/834,230.70 = 346,201.80/x - Step 3: Cross multiply
556,153.80x = 834,230.70 × 346,201.80 - Step 4: Simplify right side
556,153.80x = 288,812,169,955.26 - Step 5: Solve for x
x = 288,812,169,955.26/556,153.80 - Step 6: Final answer
x = 519,302.70
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1.5x scale
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.