Finding the Fourth Proportional to 325,908.84, 486,633.66 and 291,955.68
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Solution
The fourth proportional to 325,908.84, 486,633.66 and 291,955.68 is: 435,936.20
Step by Step Solution
- Step 1: Write the proportion equation
325,908.84 : 486,633.66 = 291,955.68 : x - Step 2: Convert to fraction form
325,908.84/486,633.66 = 291,955.68/x - Step 3: Cross multiply
325,908.84x = 486,633.66 × 291,955.68 - Step 4: Simplify right side
325,908.84x = 142,075,461,116.19 - Step 5: Solve for x
x = 142,075,461,116.19/325,908.84 - Step 6: Final answer
x = 435,936.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.