Finding the Fourth Proportional to 340,369.29, 469,854.99 and 242,315.82
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Solution
The fourth proportional to 340,369.29, 469,854.99 and 242,315.82 is: 334,499.32
Step by Step Solution
- Step 1: Write the proportion equation
340,369.29 : 469,854.99 = 242,315.82 : x - Step 2: Convert to fraction form
340,369.29/469,854.99 = 242,315.82/x - Step 3: Cross multiply
340,369.29x = 469,854.99 × 242,315.82 - Step 4: Simplify right side
340,369.29x = 113,853,297,182.94 - Step 5: Solve for x
x = 113,853,297,182.94/340,369.29 - Step 6: Final answer
x = 334,499.32
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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.