Finding the Fourth Proportional to 152,347.08, 210,210.99 and 87,804.66
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Solution
The fourth proportional to 152,347.08, 210,210.99 and 87,804.66 is: 121,154.30
Step by Step Solution
- Step 1: Write the proportion equation
152,347.08 : 210,210.99 = 87,804.66 : x - Step 2: Convert to fraction form
152,347.08/210,210.99 = 87,804.66/x - Step 3: Cross multiply
152,347.08x = 210,210.99 × 87,804.66 - Step 4: Simplify right side
152,347.08x = 18,457,504,505.21 - Step 5: Solve for x
x = 18,457,504,505.21/152,347.08 - Step 6: Final answer
x = 121,154.30
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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.