Finding the Fourth Proportional to 249,842.13, 374,162.68 and 142,901.99
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Solution
The fourth proportional to 249,842.13, 374,162.68 and 142,901.99 is: 214,009.51
Step by Step Solution
- Step 1: Write the proportion equation
249,842.13 : 374,162.68 = 142,901.99 : x - Step 2: Convert to fraction form
249,842.13/374,162.68 = 142,901.99/x - Step 3: Cross multiply
249,842.13x = 374,162.68 × 142,901.99 - Step 4: Simplify right side
249,842.13x = 53,468,592,669.77 - Step 5: Solve for x
x = 53,468,592,669.77/249,842.13 - Step 6: Final answer
x = 214,009.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.