Finding the Fourth Proportional to 152,613.19, 210,617.00 and 84,636.68
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Solution
The fourth proportional to 152,613.19, 210,617.00 and 84,636.68 is: 116,804.60
Step by Step Solution
- Step 1: Write the proportion equation
152,613.19 : 210,617.00 = 84,636.68 : x - Step 2: Convert to fraction form
152,613.19/210,617.00 = 84,636.68/x - Step 3: Cross multiply
152,613.19x = 210,617.00 × 84,636.68 - Step 4: Simplify right side
152,613.19x = 17,825,922,472.68 - Step 5: Solve for x
x = 17,825,922,472.68/152,613.19 - Step 6: Final answer
x = 116,804.60
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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.