Finding the Fourth Proportional to 340,590.04, 470,035.74 and 189,686.68
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Solution
The fourth proportional to 340,590.04, 470,035.74 and 189,686.68 is: 261,779.58
Step by Step Solution
- Step 1: Write the proportion equation
340,590.04 : 470,035.74 = 189,686.68 : x - Step 2: Convert to fraction form
340,590.04/470,035.74 = 189,686.68/x - Step 3: Cross multiply
340,590.04x = 470,035.74 × 189,686.68 - Step 4: Simplify right side
340,590.04x = 89,159,519,001.94 - Step 5: Solve for x
x = 89,159,519,001.94/340,590.04 - Step 6: Final answer
x = 261,779.58
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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.