Finding the Fourth Proportional to 249,484.14, 344,287.53 and 136,307.70
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Solution
The fourth proportional to 249,484.14, 344,287.53 and 136,307.70 is: 188,104.31
Step by Step Solution
- Step 1: Write the proportion equation
249,484.14 : 344,287.53 = 136,307.70 : x - Step 2: Convert to fraction form
249,484.14/344,287.53 = 136,307.70/x - Step 3: Cross multiply
249,484.14x = 344,287.53 × 136,307.70 - Step 4: Simplify right side
249,484.14x = 46,929,041,352.98 - Step 5: Solve for x
x = 46,929,041,352.98/249,484.14 - Step 6: Final answer
x = 188,104.31
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1.5x scale
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.