Finding the Fourth Proportional to 457,427.49, 631,565.01 and 349,810.08
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Solution
The fourth proportional to 457,427.49, 631,565.01 and 349,810.08 is: 482,978.86
Step by Step Solution
- Step 1: Write the proportion equation
457,427.49 : 631,565.01 = 349,810.08 : x - Step 2: Convert to fraction form
457,427.49/631,565.01 = 349,810.08/x - Step 3: Cross multiply
457,427.49x = 631,565.01 × 349,810.08 - Step 4: Simplify right side
457,427.49x = 220,927,806,673.30 - Step 5: Solve for x
x = 220,927,806,673.30/457,427.49 - Step 6: Final answer
x = 482,978.86
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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.