Finding the Fourth Proportional to 249,030.32, 343,661.40 and 135,853.07
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Solution
The fourth proportional to 249,030.32, 343,661.40 and 135,853.07 is: 187,476.99
Step by Step Solution
- Step 1: Write the proportion equation
249,030.32 : 343,661.40 = 135,853.07 : x - Step 2: Convert to fraction form
249,030.32/343,661.40 = 135,853.07/x - Step 3: Cross multiply
249,030.32x = 343,661.40 × 135,853.07 - Step 4: Simplify right side
249,030.32x = 46,687,454,512.19 - Step 5: Solve for x
x = 46,687,454,512.19/249,030.32 - Step 6: Final answer
x = 187,476.99
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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.