Finding the Fourth Proportional to 94,402.84, 130,303.48 and 56,189.20
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Solution
The fourth proportional to 94,402.84, 130,303.48 and 56,189.20 is: 77,557.50
Step by Step Solution
- Step 1: Write the proportion equation
94,402.84 : 130,303.48 = 56,189.20 : x - Step 2: Convert to fraction form
94,402.84/130,303.48 = 56,189.20/x - Step 3: Cross multiply
94,402.84x = 130,303.48 × 56,189.20 - Step 4: Simplify right side
94,402.84x = 7,321,648,298.42 - Step 5: Solve for x
x = 7,321,648,298.42/94,402.84 - Step 6: Final answer
x = 77,557.50
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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.