Finding the Fourth Proportional to 450,482.90, 621,658.07 and 246,529.70
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Solution
The fourth proportional to 450,482.90, 621,658.07 and 246,529.70 is: 340,206.42
Step by Step Solution
- Step 1: Write the proportion equation
450,482.90 : 621,658.07 = 246,529.70 : x - Step 2: Convert to fraction form
450,482.90/621,658.07 = 246,529.70/x - Step 3: Cross multiply
450,482.90x = 621,658.07 × 246,529.70 - Step 4: Simplify right side
450,482.90x = 153,257,173,158.74 - Step 5: Solve for x
x = 153,257,173,158.74/450,482.90 - Step 6: Final answer
x = 340,206.42
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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.