Finding the Fourth Proportional to 342,228.42, 472,376.34 and 221,374.80
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Solution
The fourth proportional to 342,228.42, 472,376.34 and 221,374.80 is: 305,562.64
Step by Step Solution
- Step 1: Write the proportion equation
342,228.42 : 472,376.34 = 221,374.80 : x - Step 2: Convert to fraction form
342,228.42/472,376.34 = 221,374.80/x - Step 3: Cross multiply
342,228.42x = 472,376.34 × 221,374.80 - Step 4: Simplify right side
342,228.42x = 104,572,217,792.23 - Step 5: Solve for x
x = 104,572,217,792.23/342,228.42 - Step 6: Final answer
x = 305,562.64
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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.