Finding the Fourth Proportional to 310,703.60, 462,334.06 and 309,653.84
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Solution
The fourth proportional to 310,703.60, 462,334.06 and 309,653.84 is: 460,771.99
Step by Step Solution
- Step 1: Write the proportion equation
310,703.60 : 462,334.06 = 309,653.84 : x - Step 2: Convert to fraction form
310,703.60/462,334.06 = 309,653.84/x - Step 3: Cross multiply
310,703.60x = 462,334.06 × 309,653.84 - Step 4: Simplify right side
310,703.60x = 143,163,517,041.79 - Step 5: Solve for x
x = 143,163,517,041.79/310,703.60 - Step 6: Final answer
x = 460,771.99
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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.