Finding the Fourth Proportional to 506,106.93, 698,406.93 and 291,254.70
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Solution
The fourth proportional to 506,106.93, 698,406.93 and 291,254.70 is: 401,919.61
Step by Step Solution
- Step 1: Write the proportion equation
506,106.93 : 698,406.93 = 291,254.70 : x - Step 2: Convert to fraction form
506,106.93/698,406.93 = 291,254.70/x - Step 3: Cross multiply
506,106.93x = 698,406.93 × 291,254.70 - Step 4: Simplify right side
506,106.93x = 203,414,300,875.07 - Step 5: Solve for x
x = 203,414,300,875.07/506,106.93 - Step 6: Final answer
x = 401,919.61
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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.