Finding the Fourth Proportional to 185,402.79, 278,130.81 and 57,329.06
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Solution
The fourth proportional to 185,402.79, 278,130.81 and 57,329.06 is: 86,001.82
Step by Step Solution
- Step 1: Write the proportion equation
185,402.79 : 278,130.81 = 57,329.06 : x - Step 2: Convert to fraction form
185,402.79/278,130.81 = 57,329.06/x - Step 3: Cross multiply
185,402.79x = 278,130.81 × 57,329.06 - Step 4: Simplify right side
185,402.79x = 15,944,976,503.68 - Step 5: Solve for x
x = 15,944,976,503.68/185,402.79 - Step 6: Final answer
x = 86,001.82
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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.