Finding the Fourth Proportional to 401,919.18, 554,534.84 and 258,762.11
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Solution
The fourth proportional to 401,919.18, 554,534.84 and 258,762.11 is: 357,018.55
Step by Step Solution
- Step 1: Write the proportion equation
401,919.18 : 554,534.84 = 258,762.11 : x - Step 2: Convert to fraction form
401,919.18/554,534.84 = 258,762.11/x - Step 3: Cross multiply
401,919.18x = 554,534.84 × 258,762.11 - Step 4: Simplify right side
401,919.18x = 143,492,603,141.14 - Step 5: Solve for x
x = 143,492,603,141.14/401,919.18 - Step 6: Final answer
x = 357,018.55
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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.