Finding the Fourth Proportional to 307,726.20, 460,811.70 and 201,972.60
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Solution
The fourth proportional to 307,726.20, 460,811.70 and 201,972.60 is: 302,448.53
Step by Step Solution
- Step 1: Write the proportion equation
307,726.20 : 460,811.70 = 201,972.60 : x - Step 2: Convert to fraction form
307,726.20/460,811.70 = 201,972.60/x - Step 3: Cross multiply
307,726.20x = 460,811.70 × 201,972.60 - Step 4: Simplify right side
307,726.20x = 93,071,337,159.42 - Step 5: Solve for x
x = 93,071,337,159.42/307,726.20 - Step 6: Final answer
x = 302,448.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.