Finding the Fourth Proportional to 458,718.52, 633,027.16 and 257,513.08
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Solution
The fourth proportional to 458,718.52, 633,027.16 and 257,513.08 is: 355,365.58
Step by Step Solution
- Step 1: Write the proportion equation
458,718.52 : 633,027.16 = 257,513.08 : x - Step 2: Convert to fraction form
458,718.52/633,027.16 = 257,513.08/x - Step 3: Cross multiply
458,718.52x = 633,027.16 × 257,513.08 - Step 4: Simplify right side
458,718.52x = 163,012,773,695.25 - Step 5: Solve for x
x = 163,012,773,695.25/458,718.52 - Step 6: Final answer
x = 355,365.58
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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.