Finding the Fourth Proportional to 501,687.91, 692,653.58 and 310,903.75
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Solution
The fourth proportional to 501,687.91, 692,653.58 and 310,903.75 is: 429,248.12
Step by Step Solution
- Step 1: Write the proportion equation
501,687.91 : 692,653.58 = 310,903.75 : x - Step 2: Convert to fraction form
501,687.91/692,653.58 = 310,903.75/x - Step 3: Cross multiply
501,687.91x = 692,653.58 × 310,903.75 - Step 4: Simplify right side
501,687.91x = 215,348,593,918.41 - Step 5: Solve for x
x = 215,348,593,918.41/501,687.91 - Step 6: Final answer
x = 429,248.12
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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.