Finding the Fourth Proportional to 502,074.91, 692,860.83 and 272,630.19
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Solution
The fourth proportional to 502,074.91, 692,860.83 and 272,630.19 is: 376,228.28
Step by Step Solution
- Step 1: Write the proportion equation
502,074.91 : 692,860.83 = 272,630.19 : x - Step 2: Convert to fraction form
502,074.91/692,860.83 = 272,630.19/x - Step 3: Cross multiply
502,074.91x = 692,860.83 × 272,630.19 - Step 4: Simplify right side
502,074.91x = 188,894,779,726.46 - Step 5: Solve for x
x = 188,894,779,726.46/502,074.91 - Step 6: Final answer
x = 376,228.28
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Double scale
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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.