Finding the Fourth Proportional to 342,764.16, 514,215.68 and 121,303.68
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Solution
The fourth proportional to 342,764.16, 514,215.68 and 121,303.68 is: 181,980.09
Step by Step Solution
- Step 1: Write the proportion equation
342,764.16 : 514,215.68 = 121,303.68 : x - Step 2: Convert to fraction form
342,764.16/514,215.68 = 121,303.68/x - Step 3: Cross multiply
342,764.16x = 514,215.68 × 121,303.68 - Step 4: Simplify right side
342,764.16x = 62,376,254,297.70 - Step 5: Solve for x
x = 62,376,254,297.70/342,764.16 - Step 6: Final answer
x = 181,980.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.