Finding the Fourth Proportional to 507,278.05, 760,737.57 and 147,374.02
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Solution
The fourth proportional to 507,278.05, 760,737.57 and 147,374.02 is: 221,008.88
Step by Step Solution
- Step 1: Write the proportion equation
507,278.05 : 760,737.57 = 147,374.02 : x - Step 2: Convert to fraction form
507,278.05/760,737.57 = 147,374.02/x - Step 3: Cross multiply
507,278.05x = 760,737.57 × 147,374.02 - Step 4: Simplify right side
507,278.05x = 112,112,953,855.93 - Step 5: Solve for x
x = 112,112,953,855.93/507,278.05 - Step 6: Final answer
x = 221,008.88
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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.