Finding the Fourth Proportional to 475,606.58, 656,681.54 and 306,135.95
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Solution
The fourth proportional to 475,606.58, 656,681.54 and 306,135.95 is: 422,689.33
Step by Step Solution
- Step 1: Write the proportion equation
475,606.58 : 656,681.54 = 306,135.95 : x - Step 2: Convert to fraction form
475,606.58/656,681.54 = 306,135.95/x - Step 3: Cross multiply
475,606.58x = 656,681.54 × 306,135.95 - Step 4: Simplify right side
475,606.58x = 201,033,827,095.36 - Step 5: Solve for x
x = 201,033,827,095.36/475,606.58 - Step 6: Final answer
x = 422,689.33
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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.