Finding the Fourth Proportional to 249,434.69, 344,219.81 and 134,713.40
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Solution
The fourth proportional to 249,434.69, 344,219.81 and 134,713.40 is: 185,904.45
Step by Step Solution
- Step 1: Write the proportion equation
249,434.69 : 344,219.81 = 134,713.40 : x - Step 2: Convert to fraction form
249,434.69/344,219.81 = 134,713.40/x - Step 3: Cross multiply
249,434.69x = 344,219.81 × 134,713.40 - Step 4: Simplify right side
249,434.69x = 46,371,018,557.79 - Step 5: Solve for x
x = 46,371,018,557.79/249,434.69 - Step 6: Final answer
x = 185,904.45
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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.