Finding the Fourth Proportional to 430,011.99, 593,368.34 and 257,937.01
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Solution
The fourth proportional to 430,011.99, 593,368.34 and 257,937.01 is: 355,924.15
Step by Step Solution
- Step 1: Write the proportion equation
430,011.99 : 593,368.34 = 257,937.01 : x - Step 2: Convert to fraction form
430,011.99/593,368.34 = 257,937.01/x - Step 3: Cross multiply
430,011.99x = 593,368.34 × 257,937.01 - Step 4: Simplify right side
430,011.99x = 153,051,652,675.16 - Step 5: Solve for x
x = 153,051,652,675.16/430,011.99 - Step 6: Final answer
x = 355,924.15
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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.