Finding the Fourth Proportional to 130,397.04, 180,027.36 and 122,355.36
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Solution
The fourth proportional to 130,397.04, 180,027.36 and 122,355.36 is: 168,924.94
Step by Step Solution
- Step 1: Write the proportion equation
130,397.04 : 180,027.36 = 122,355.36 : x - Step 2: Convert to fraction form
130,397.04/180,027.36 = 122,355.36/x - Step 3: Cross multiply
130,397.04x = 180,027.36 × 122,355.36 - Step 4: Simplify right side
130,397.04x = 22,027,312,442.65 - Step 5: Solve for x
x = 22,027,312,442.65/130,397.04 - Step 6: Final answer
x = 168,924.94
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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.