Finding the Fourth Proportional to 249,946.60, 344,921.70 and 136,767.08
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Solution
The fourth proportional to 249,946.60, 344,921.70 and 136,767.08 is: 188,736.05
Step by Step Solution
- Step 1: Write the proportion equation
249,946.60 : 344,921.70 = 136,767.08 : x - Step 2: Convert to fraction form
249,946.60/344,921.70 = 136,767.08/x - Step 3: Cross multiply
249,946.60x = 344,921.70 × 136,767.08 - Step 4: Simplify right side
249,946.60x = 47,173,933,737.64 - Step 5: Solve for x
x = 47,173,933,737.64/249,946.60 - Step 6: Final answer
x = 188,736.05
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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.