Finding the Fourth Proportional to 546,672.12, 754,426.28 and 317,212.08
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Solution
The fourth proportional to 546,672.12, 754,426.28 and 317,212.08 is: 437,763.55
Step by Step Solution
- Step 1: Write the proportion equation
546,672.12 : 754,426.28 = 317,212.08 : x - Step 2: Convert to fraction form
546,672.12/754,426.28 = 317,212.08/x - Step 3: Cross multiply
546,672.12x = 754,426.28 × 317,212.08 - Step 4: Simplify right side
546,672.12x = 239,313,129,485.46 - Step 5: Solve for x
x = 239,313,129,485.46/546,672.12 - Step 6: Final answer
x = 437,763.55
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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.