Finding the Fourth Proportional to 349,705.80, 524,430.18 and 125,005.60
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Solution
The fourth proportional to 349,705.80, 524,430.18 and 125,005.60 is: 187,462.46
Step by Step Solution
- Step 1: Write the proportion equation
349,705.80 : 524,430.18 = 125,005.60 : x - Step 2: Convert to fraction form
349,705.80/524,430.18 = 125,005.60/x - Step 3: Cross multiply
349,705.80x = 524,430.18 × 125,005.60 - Step 4: Simplify right side
349,705.80x = 65,556,709,309.01 - Step 5: Solve for x
x = 65,556,709,309.01/349,705.80 - Step 6: Final answer
x = 187,462.46
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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.