Finding the Fourth Proportional to 401,538.03, 554,377.68 and 358,441.98
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Solution
The fourth proportional to 401,538.03, 554,377.68 and 358,441.98 is: 494,877.74
Step by Step Solution
- Step 1: Write the proportion equation
401,538.03 : 554,377.68 = 358,441.98 : x - Step 2: Convert to fraction form
401,538.03/554,377.68 = 358,441.98/x - Step 3: Cross multiply
401,538.03x = 554,377.68 × 358,441.98 - Step 4: Simplify right side
401,538.03x = 198,712,233,287.01 - Step 5: Solve for x
x = 198,712,233,287.01/401,538.03 - Step 6: Final answer
x = 494,877.74
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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.