Finding the Fourth Proportional to 651,243.60, 977,011.20 and 201,985.20
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Solution
The fourth proportional to 651,243.60, 977,011.20 and 201,985.20 is: 303,023.02
Step by Step Solution
- Step 1: Write the proportion equation
651,243.60 : 977,011.20 = 201,985.20 : x - Step 2: Convert to fraction form
651,243.60/977,011.20 = 201,985.20/x - Step 3: Cross multiply
651,243.60x = 977,011.20 × 201,985.20 - Step 4: Simplify right side
651,243.60x = 197,341,802,634.24 - Step 5: Solve for x
x = 197,341,802,634.24/651,243.60 - Step 6: Final answer
x = 303,023.02
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1.5x scale
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.