Finding the Fourth Proportional to 249,630.80, 374,446.20 and 125,214.80
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Solution
The fourth proportional to 249,630.80, 374,446.20 and 125,214.80 is: 187,822.20
Step by Step Solution
- Step 1: Write the proportion equation
249,630.80 : 374,446.20 = 125,214.80 : x - Step 2: Convert to fraction form
249,630.80/374,446.20 = 125,214.80/x - Step 3: Cross multiply
249,630.80x = 374,446.20 × 125,214.80 - Step 4: Simplify right side
249,630.80x = 46,886,206,043.76 - Step 5: Solve for x
x = 46,886,206,043.76/249,630.80 - Step 6: Final answer
x = 187,822.20
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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.