Finding the Fourth Proportional to 343,301.80, 514,952.70 and 319,973.80
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Solution
The fourth proportional to 343,301.80, 514,952.70 and 319,973.80 is: 479,960.70
Step by Step Solution
- Step 1: Write the proportion equation
343,301.80 : 514,952.70 = 319,973.80 : x - Step 2: Convert to fraction form
343,301.80/514,952.70 = 319,973.80/x - Step 3: Cross multiply
343,301.80x = 514,952.70 × 319,973.80 - Step 4: Simplify right side
343,301.80x = 164,771,372,239.26 - Step 5: Solve for x
x = 164,771,372,239.26/343,301.80 - Step 6: Final answer
x = 479,960.70
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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.