Finding the Fourth Proportional to 546,970.94, 754,895.99 and 305,269.09
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Solution
The fourth proportional to 546,970.94, 754,895.99 and 305,269.09 is: 421,313.80
Step by Step Solution
- Step 1: Write the proportion equation
546,970.94 : 754,895.99 = 305,269.09 : x - Step 2: Convert to fraction form
546,970.94/754,895.99 = 305,269.09/x - Step 3: Cross multiply
546,970.94x = 754,895.99 × 305,269.09 - Step 4: Simplify right side
546,970.94x = 230,446,408,498.36 - Step 5: Solve for x
x = 230,446,408,498.36/546,970.94 - Step 6: Final answer
x = 421,313.80
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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.