Finding the Fourth Proportional to 417,347.34, 575,311.38 and 326,545.62
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Solution
The fourth proportional to 417,347.34, 575,311.38 and 326,545.62 is: 450,141.63
Step by Step Solution
- Step 1: Write the proportion equation
417,347.34 : 575,311.38 = 326,545.62 : x - Step 2: Convert to fraction form
417,347.34/575,311.38 = 326,545.62/x - Step 3: Cross multiply
417,347.34x = 575,311.38 × 326,545.62 - Step 4: Simplify right side
417,347.34x = 187,865,411,275.16 - Step 5: Solve for x
x = 187,865,411,275.16/417,347.34 - Step 6: Final answer
x = 450,141.63
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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.