Finding the Fourth Proportional to 253,307.67, 349,507.35 and 151,313.18
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Solution
The fourth proportional to 253,307.67, 349,507.35 and 151,313.18 is: 208,777.99
Step by Step Solution
- Step 1: Write the proportion equation
253,307.67 : 349,507.35 = 151,313.18 : x - Step 2: Convert to fraction form
253,307.67/349,507.35 = 151,313.18/x - Step 3: Cross multiply
253,307.67x = 349,507.35 × 151,313.18 - Step 4: Simplify right side
253,307.67x = 52,885,066,814.34 - Step 5: Solve for x
x = 52,885,066,814.34/253,307.67 - Step 6: Final answer
x = 208,777.99
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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.