Finding the Fourth Proportional to 571,237.36, 788,302.64 and 313,128.66
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Solution
The fourth proportional to 571,237.36, 788,302.64 and 313,128.66 is: 432,114.86
Step by Step Solution
- Step 1: Write the proportion equation
571,237.36 : 788,302.64 = 313,128.66 : x - Step 2: Convert to fraction form
571,237.36/788,302.64 = 313,128.66/x - Step 3: Cross multiply
571,237.36x = 788,302.64 × 313,128.66 - Step 4: Simplify right side
571,237.36x = 246,840,149,337.66 - Step 5: Solve for x
x = 246,840,149,337.66/571,237.36 - Step 6: Final answer
x = 432,114.86
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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.