Finding the Fourth Proportional to 346,533.99, 478,220.90 and 203,296.47
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Solution
The fourth proportional to 346,533.99, 478,220.90 and 203,296.47 is: 280,551.47
Step by Step Solution
- Step 1: Write the proportion equation
346,533.99 : 478,220.90 = 203,296.47 : x - Step 2: Convert to fraction form
346,533.99/478,220.90 = 203,296.47/x - Step 3: Cross multiply
346,533.99x = 478,220.90 × 203,296.47 - Step 4: Simplify right side
346,533.99x = 97,220,619,833.74 - Step 5: Solve for x
x = 97,220,619,833.74/346,533.99 - Step 6: Final answer
x = 280,551.47
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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.