Finding the Fourth Proportional to 249,935.60, 344,909.68 and 135,213.88
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Solution
The fourth proportional to 249,935.60, 344,909.68 and 135,213.88 is: 186,594.37
Step by Step Solution
- Step 1: Write the proportion equation
249,935.60 : 344,909.68 = 135,213.88 : x - Step 2: Convert to fraction form
249,935.60/344,909.68 = 135,213.88/x - Step 3: Cross multiply
249,935.60x = 344,909.68 × 135,213.88 - Step 4: Simplify right side
249,935.60x = 46,636,576,082.36 - Step 5: Solve for x
x = 46,636,576,082.36/249,935.60 - Step 6: Final answer
x = 186,594.37
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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.