Finding the Fourth Proportional to 249,430.64, 374,182.84 and 91,646.80
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Solution
The fourth proportional to 249,430.64, 374,182.84 and 91,646.80 is: 137,483.75
Step by Step Solution
- Step 1: Write the proportion equation
249,430.64 : 374,182.84 = 91,646.80 : x - Step 2: Convert to fraction form
249,430.64/374,182.84 = 91,646.80/x - Step 3: Cross multiply
249,430.64x = 374,182.84 × 91,646.80 - Step 4: Simplify right side
249,430.64x = 34,292,659,900.91 - Step 5: Solve for x
x = 34,292,659,900.91/249,430.64 - Step 6: Final answer
x = 137,483.75
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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.