Finding the Fourth Proportional to 493,686.63, 740,529.95 and 119,709.63
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Solution
The fourth proportional to 493,686.63, 740,529.95 and 119,709.63 is: 179,564.45
Step by Step Solution
- Step 1: Write the proportion equation
493,686.63 : 740,529.95 = 119,709.63 : x - Step 2: Convert to fraction form
493,686.63/740,529.95 = 119,709.63/x - Step 3: Cross multiply
493,686.63x = 740,529.95 × 119,709.63 - Step 4: Simplify right side
493,686.63x = 88,648,565,719.87 - Step 5: Solve for x
x = 88,648,565,719.87/493,686.63 - Step 6: Final answer
x = 179,564.45
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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.