Finding the Fourth Proportional to 291,565.23, 402,392.79 and 162,515.49
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Solution
The fourth proportional to 291,565.23, 402,392.79 and 162,515.49 is: 224,289.64
Step by Step Solution
- Step 1: Write the proportion equation
291,565.23 : 402,392.79 = 162,515.49 : x - Step 2: Convert to fraction form
291,565.23/402,392.79 = 162,515.49/x - Step 3: Cross multiply
291,565.23x = 402,392.79 × 162,515.49 - Step 4: Simplify right side
291,565.23x = 65,395,061,439.32 - Step 5: Solve for x
x = 65,395,061,439.32/291,565.23 - Step 6: Final answer
x = 224,289.64
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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.