Finding the Fourth Proportional to 291,643.57, 402,489.17 and 162,590.77
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Solution
The fourth proportional to 291,643.57, 402,489.17 and 162,590.77 is: 224,386.99
Step by Step Solution
- Step 1: Write the proportion equation
291,643.57 : 402,489.17 = 162,590.77 : x - Step 2: Convert to fraction form
291,643.57/402,489.17 = 162,590.77/x - Step 3: Cross multiply
291,643.57x = 402,489.17 × 162,590.77 - Step 4: Simplify right side
291,643.57x = 65,441,024,066.96 - Step 5: Solve for x
x = 65,441,024,066.96/291,643.57 - Step 6: Final answer
x = 224,386.99
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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.