Finding the Fourth Proportional to 452,719.55, 624,128.70 and 361,149.63
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Solution
The fourth proportional to 452,719.55, 624,128.70 and 361,149.63 is: 497,888.48
Step by Step Solution
- Step 1: Write the proportion equation
452,719.55 : 624,128.70 = 361,149.63 : x - Step 2: Convert to fraction form
452,719.55/624,128.70 = 361,149.63/x - Step 3: Cross multiply
452,719.55x = 624,128.70 × 361,149.63 - Step 4: Simplify right side
452,719.55x = 225,403,848,091.21 - Step 5: Solve for x
x = 225,403,848,091.21/452,719.55 - Step 6: Final answer
x = 497,888.48
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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.