Finding the Fourth Proportional to 472,346.08, 651,835.74 and 257,485.48
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Solution
The fourth proportional to 472,346.08, 651,835.74 and 257,485.48 is: 355,328.95
Step by Step Solution
- Step 1: Write the proportion equation
472,346.08 : 651,835.74 = 257,485.48 : x - Step 2: Convert to fraction form
472,346.08/651,835.74 = 257,485.48/x - Step 3: Cross multiply
472,346.08x = 651,835.74 × 257,485.48 - Step 4: Simplify right side
472,346.08x = 167,838,238,395.06 - Step 5: Solve for x
x = 167,838,238,395.06/472,346.08 - Step 6: Final answer
x = 355,328.95
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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.