Finding the Fourth Proportional to 541,357.48, 747,149.70 and 315,075.88
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Solution
The fourth proportional to 541,357.48, 747,149.70 and 315,075.88 is: 434,849.17
Step by Step Solution
- Step 1: Write the proportion equation
541,357.48 : 747,149.70 = 315,075.88 : x - Step 2: Convert to fraction form
541,357.48/747,149.70 = 315,075.88/x - Step 3: Cross multiply
541,357.48x = 747,149.70 × 315,075.88 - Step 4: Simplify right side
541,357.48x = 235,408,849,219.24 - Step 5: Solve for x
x = 235,408,849,219.24/541,357.48 - Step 6: Final answer
x = 434,849.17
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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.