Finding the Fourth Proportional to 297,970.80, 411,106.68 and 170,622.96
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Solution
The fourth proportional to 297,970.80, 411,106.68 and 170,622.96 is: 235,406.42
Step by Step Solution
- Step 1: Write the proportion equation
297,970.80 : 411,106.68 = 170,622.96 : x - Step 2: Convert to fraction form
297,970.80/411,106.68 = 170,622.96/x - Step 3: Cross multiply
297,970.80x = 411,106.68 × 170,622.96 - Step 4: Simplify right side
297,970.80x = 70,144,238,617.37 - Step 5: Solve for x
x = 70,144,238,617.37/297,970.80 - Step 6: Final answer
x = 235,406.42
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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.