Finding the Fourth Proportional to 430,468.83, 594,070.61 and 239,478.12
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Solution
The fourth proportional to 430,468.83, 594,070.61 and 239,478.12 is: 330,492.95
Step by Step Solution
- Step 1: Write the proportion equation
430,468.83 : 594,070.61 = 239,478.12 : x - Step 2: Convert to fraction form
430,468.83/594,070.61 = 239,478.12/x - Step 3: Cross multiply
430,468.83x = 594,070.61 × 239,478.12 - Step 4: Simplify right side
430,468.83x = 142,266,911,632.66 - Step 5: Solve for x
x = 142,266,911,632.66/430,468.83 - Step 6: Final answer
x = 330,492.95
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1.5x scale
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.