Finding the Fourth Proportional to 249,703.70, 374,555.55 and 83,491.70
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Solution
The fourth proportional to 249,703.70, 374,555.55 and 83,491.70 is: 125,237.55
Step by Step Solution
- Step 1: Write the proportion equation
249,703.70 : 374,555.55 = 83,491.70 : x - Step 2: Convert to fraction form
249,703.70/374,555.55 = 83,491.70/x - Step 3: Cross multiply
249,703.70x = 374,555.55 × 83,491.70 - Step 4: Simplify right side
249,703.70x = 31,272,279,613.94 - Step 5: Solve for x
x = 31,272,279,613.94/249,703.70 - Step 6: Final answer
x = 125,237.55
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1.5x scale
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.