Finding the Fourth Proportional to 422,498.08, 633,788.70 and 122,981.68
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Solution
The fourth proportional to 422,498.08, 633,788.70 and 122,981.68 is: 184,484.62
Step by Step Solution
- Step 1: Write the proportion equation
422,498.08 : 633,788.70 = 122,981.68 : x - Step 2: Convert to fraction form
422,498.08/633,788.70 = 122,981.68/x - Step 3: Cross multiply
422,498.08x = 633,788.70 × 122,981.68 - Step 4: Simplify right side
422,498.08x = 77,944,399,091.02 - Step 5: Solve for x
x = 77,944,399,091.02/422,498.08 - Step 6: Final answer
x = 184,484.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.