Finding the Fourth Proportional to 291,632.24, 402,423.72 and 164,330.48
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Solution
The fourth proportional to 291,632.24, 402,423.72 and 164,330.48 is: 226,759.85
Step by Step Solution
- Step 1: Write the proportion equation
291,632.24 : 402,423.72 = 164,330.48 : x - Step 2: Convert to fraction form
291,632.24/402,423.72 = 164,330.48/x - Step 3: Cross multiply
291,632.24x = 402,423.72 × 164,330.48 - Step 4: Simplify right side
291,632.24x = 66,130,483,070.99 - Step 5: Solve for x
x = 66,130,483,070.99/291,632.24 - Step 6: Final answer
x = 226,759.85
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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.