Finding the Fourth Proportional to 340,497.60, 510,746.40 and 314,909.70
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Solution
The fourth proportional to 340,497.60, 510,746.40 and 314,909.70 is: 472,364.55
Step by Step Solution
- Step 1: Write the proportion equation
340,497.60 : 510,746.40 = 314,909.70 : x - Step 2: Convert to fraction form
340,497.60/510,746.40 = 314,909.70/x - Step 3: Cross multiply
340,497.60x = 510,746.40 × 314,909.70 - Step 4: Simplify right side
340,497.60x = 160,838,995,600.08 - Step 5: Solve for x
x = 160,838,995,600.08/340,497.60 - Step 6: Final answer
x = 472,364.55
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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.