Finding the Fourth Proportional to 249,977.60, 344,964.48 and 136,798.08
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Solution
The fourth proportional to 249,977.60, 344,964.48 and 136,798.08 is: 188,778.83
Step by Step Solution
- Step 1: Write the proportion equation
249,977.60 : 344,964.48 = 136,798.08 : x - Step 2: Convert to fraction form
249,977.60/344,964.48 = 136,798.08/x - Step 3: Cross multiply
249,977.60x = 344,964.48 × 136,798.08 - Step 4: Simplify right side
249,977.60x = 47,190,478,532.20 - Step 5: Solve for x
x = 47,190,478,532.20/249,977.60 - Step 6: Final answer
x = 188,778.83
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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.