Finding the Fourth Proportional to 249,316.36, 344,011.26 and 147,358.96
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Solution
The fourth proportional to 249,316.36, 344,011.26 and 147,358.96 is: 203,328.58
Step by Step Solution
- Step 1: Write the proportion equation
249,316.36 : 344,011.26 = 147,358.96 : x - Step 2: Convert to fraction form
249,316.36/344,011.26 = 147,358.96/x - Step 3: Cross multiply
249,316.36x = 344,011.26 × 147,358.96 - Step 4: Simplify right side
249,316.36x = 50,693,141,501.89 - Step 5: Solve for x
x = 50,693,141,501.89/249,316.36 - Step 6: Final answer
x = 203,328.58
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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.