Finding the Fourth Proportional to 249,779.41, 344,694.84 and 135,057.23
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Solution
The fourth proportional to 249,779.41, 344,694.84 and 135,057.23 is: 186,378.58
Step by Step Solution
- Step 1: Write the proportion equation
249,779.41 : 344,694.84 = 135,057.23 : x - Step 2: Convert to fraction form
249,779.41/344,694.84 = 135,057.23/x - Step 3: Cross multiply
249,779.41x = 344,694.84 × 135,057.23 - Step 4: Simplify right side
249,779.41x = 46,553,530,623.34 - Step 5: Solve for x
x = 46,553,530,623.34/249,779.41 - Step 6: Final answer
x = 186,378.58
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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.