Finding the Fourth Proportional to 346,420.06, 478,050.36 and 193,453.99
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Solution
The fourth proportional to 346,420.06, 478,050.36 and 193,453.99 is: 266,961.30
Step by Step Solution
- Step 1: Write the proportion equation
346,420.06 : 478,050.36 = 193,453.99 : x - Step 2: Convert to fraction form
346,420.06/478,050.36 = 193,453.99/x - Step 3: Cross multiply
346,420.06x = 478,050.36 × 193,453.99 - Step 4: Simplify right side
346,420.06x = 92,480,747,642.36 - Step 5: Solve for x
x = 92,480,747,642.36/346,420.06 - Step 6: Final answer
x = 266,961.30
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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.