Finding the Fourth Proportional to 152,341.68, 210,228.93 and 84,357.19
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Solution
The fourth proportional to 152,341.68, 210,228.93 and 84,357.19 is: 116,411.49
Step by Step Solution
- Step 1: Write the proportion equation
152,341.68 : 210,228.93 = 84,357.19 : x - Step 2: Convert to fraction form
152,341.68/210,228.93 = 84,357.19/x - Step 3: Cross multiply
152,341.68x = 210,228.93 × 84,357.19 - Step 4: Simplify right side
152,341.68x = 17,734,321,791.51 - Step 5: Solve for x
x = 17,734,321,791.51/152,341.68 - Step 6: Final answer
x = 116,411.49
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1.5x scale
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.