Finding the Fourth Proportional to 454,030.60, 681,434.70 and 201,699.40
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Solution
The fourth proportional to 454,030.60, 681,434.70 and 201,699.40 is: 302,721.82
Step by Step Solution
- Step 1: Write the proportion equation
454,030.60 : 681,434.70 = 201,699.40 : x - Step 2: Convert to fraction form
454,030.60/681,434.70 = 201,699.40/x - Step 3: Cross multiply
454,030.60x = 681,434.70 × 201,699.40 - Step 4: Simplify right side
454,030.60x = 137,444,970,129.18 - Step 5: Solve for x
x = 137,444,970,129.18/454,030.60 - Step 6: Final answer
x = 302,721.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.