Finding the Fourth Proportional to 249,904.68, 344,873.52 and 136,729.88
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Solution
The fourth proportional to 249,904.68, 344,873.52 and 136,729.88 is: 188,690.00
Step by Step Solution
- Step 1: Write the proportion equation
249,904.68 : 344,873.52 = 136,729.88 : x - Step 2: Convert to fraction form
249,904.68/344,873.52 = 136,729.88/x - Step 3: Cross multiply
249,904.68x = 344,873.52 × 136,729.88 - Step 4: Simplify right side
249,904.68x = 47,154,515,004.78 - Step 5: Solve for x
x = 47,154,515,004.78/249,904.68 - Step 6: Final answer
x = 188,690.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.