Finding the Fourth Proportional to 316,163.60, 474,615.80 and 249,648.56
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Solution
The fourth proportional to 316,163.60, 474,615.80 and 249,648.56 is: 374,765.31
Step by Step Solution
- Step 1: Write the proportion equation
316,163.60 : 474,615.80 = 249,648.56 : x - Step 2: Convert to fraction form
316,163.60/474,615.80 = 249,648.56/x - Step 3: Cross multiply
316,163.60x = 474,615.80 × 249,648.56 - Step 4: Simplify right side
316,163.60x = 118,487,151,023.25 - Step 5: Solve for x
x = 118,487,151,023.25/316,163.60 - Step 6: Final answer
x = 374,765.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.