Finding the Fourth Proportional to 298,508.19, 411,886.57 and 176,038.99
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Solution
The fourth proportional to 298,508.19, 411,886.57 and 176,038.99 is: 242,901.52
Step by Step Solution
- Step 1: Write the proportion equation
298,508.19 : 411,886.57 = 176,038.99 : x - Step 2: Convert to fraction form
298,508.19/411,886.57 = 176,038.99/x - Step 3: Cross multiply
298,508.19x = 411,886.57 × 176,038.99 - Step 4: Simplify right side
298,508.19x = 72,508,092,837.74 - Step 5: Solve for x
x = 72,508,092,837.74/298,508.19 - Step 6: Final answer
x = 242,901.52
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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.