Finding the Fourth Proportional to 351,970.07, 486,119.54 and 238,595.99
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Solution
The fourth proportional to 351,970.07, 486,119.54 and 238,595.99 is: 329,534.19
Step by Step Solution
- Step 1: Write the proportion equation
351,970.07 : 486,119.54 = 238,595.99 : x - Step 2: Convert to fraction form
351,970.07/486,119.54 = 238,595.99/x - Step 3: Cross multiply
351,970.07x = 486,119.54 × 238,595.99 - Step 4: Simplify right side
351,970.07x = 115,986,171,070.54 - Step 5: Solve for x
x = 115,986,171,070.54/351,970.07 - Step 6: Final answer
x = 329,534.19
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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.