Finding the Fourth Proportional to 401,562.04, 602,398.62 and 135,398.68
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Solution
The fourth proportional to 401,562.04, 602,398.62 and 135,398.68 is: 203,116.75
Step by Step Solution
- Step 1: Write the proportion equation
401,562.04 : 602,398.62 = 135,398.68 : x - Step 2: Convert to fraction form
401,562.04/602,398.62 = 135,398.68/x - Step 3: Cross multiply
401,562.04x = 602,398.62 × 135,398.68 - Step 4: Simplify right side
401,562.04x = 81,563,977,981.82 - Step 5: Solve for x
x = 81,563,977,981.82/401,562.04 - Step 6: Final answer
x = 203,116.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.