Finding the Fourth Proportional to 313,453.99, 432,571.65 and 177,484.35
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Solution
The fourth proportional to 313,453.99, 432,571.65 and 177,484.35 is: 244,931.32
Step by Step Solution
- Step 1: Write the proportion equation
313,453.99 : 432,571.65 = 177,484.35 : x - Step 2: Convert to fraction form
313,453.99/432,571.65 = 177,484.35/x - Step 3: Cross multiply
313,453.99x = 432,571.65 × 177,484.35 - Step 4: Simplify right side
313,453.99x = 76,774,698,128.68 - Step 5: Solve for x
x = 76,774,698,128.68/313,453.99 - Step 6: Final answer
x = 244,931.32
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1.5x scale
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.