Finding the Fourth Proportional to 217,000.42, 299,412.14 and 130,973.35
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Solution
The fourth proportional to 217,000.42, 299,412.14 and 130,973.35 is: 180,713.99
Step by Step Solution
- Step 1: Write the proportion equation
217,000.42 : 299,412.14 = 130,973.35 : x - Step 2: Convert to fraction form
217,000.42/299,412.14 = 130,973.35/x - Step 3: Cross multiply
217,000.42x = 299,412.14 × 130,973.35 - Step 4: Simplify right side
217,000.42x = 39,215,011,006.47 - Step 5: Solve for x
x = 39,215,011,006.47/217,000.42 - Step 6: Final answer
x = 180,713.99
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1.5x scale
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.