Finding the Fourth Proportional to 651,701.80, 977,115.30 and 314,903.80
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Solution
The fourth proportional to 651,701.80, 977,115.30 and 314,903.80 is: 472,144.35
Step by Step Solution
- Step 1: Write the proportion equation
651,701.80 : 977,115.30 = 314,903.80 : x - Step 2: Convert to fraction form
651,701.80/977,115.30 = 314,903.80/x - Step 3: Cross multiply
651,701.80x = 977,115.30 × 314,903.80 - Step 4: Simplify right side
651,701.80x = 307,697,321,008.14 - Step 5: Solve for x
x = 307,697,321,008.14/651,701.80 - Step 6: Final answer
x = 472,144.35
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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.