Finding the Fourth Proportional to 535,068.18, 738,400.10 and 305,655.84
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Solution
The fourth proportional to 535,068.18, 738,400.10 and 305,655.84 is: 421,808.49
Step by Step Solution
- Step 1: Write the proportion equation
535,068.18 : 738,400.10 = 305,655.84 : x - Step 2: Convert to fraction form
535,068.18/738,400.10 = 305,655.84/x - Step 3: Cross multiply
535,068.18x = 738,400.10 × 305,655.84 - Step 4: Simplify right side
535,068.18x = 225,696,301,293.31 - Step 5: Solve for x
x = 225,696,301,293.31/535,068.18 - Step 6: Final answer
x = 421,808.49
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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.